S1 History | The Silk Road and Tang-Song Maritime Trade

S1 History | The Silk Road and Tang-Song Maritime Trade – Tutor Prep Guide (45 min)

2026-11-13

Tutor lesson-prep guides · Junior Secondary History

Students hear Silk Road and picture camels and sand, yet cannot say who opened the route, what actually changed hands, or why the main traffic later moved to the sea. One route map, one exchange table and one port institution turn trade into something that reshapes cities.

Objectives — Students can: (1) state that Zhang Qian was sent west by Emperor Wu in 138 BCE and returned in 126 BCE after 12 years with intelligence on the states of the Western Regions, that Han then set up commanderies along the Hexi corridor and garrisoned the passes, and that the overland route ran from Chang’an through the Hexi corridor and Dunhuang into Central Asia, about 7,000 km, which at roughly 30 km a day means about 233 days one way; (2) explain that the route carried exchange in both directions – silk, porcelain, tea and iron out; grapes, alfalfa, cucumbers, spices, horses and music in – and two non-goods, Buddhism travelling east and papermaking travelling west; (3) describe Tang Guangzhou with its maritime trade commissioner and the Song customs houses at Guangzhou, Quanzhou and Mingzhou that taxed and regulated foreign shipping, and give two reasons the balance shifted to the sea: the overland route crossed many rival powers with tolls and war, while better ships and the compass made sea freight far cheaper per tonne.

01 Prerequisites (3-minute check)

If any of these fails, fix it before the lesson starts.

Skill	Quick check	Pass mark
Emperor Wu and the Xiongnu	Why did Emperor Wu send envoys to the Western Regions?	To find allies against the Xiongnu and to learn about the region; not knowing who the Xiongnu were means the previous chapter needs reteaching.
Map direction	Travelling west from Chang’an, what must you cross to reach Central Asia?	The Hexi corridor, Dunhuang and the Western Regions; failing to name the direction means the map needs reteaching.
Song economy	Was urban and commercial life in Song times richer or poorer than in Tang times?	Richer, with night markets and paper money; answering poorer means Song economy needs reteaching.

02 Lesson flow (45 minutes)

Time	Stage	Tutor does	Student does
0-5 min	Hook	Hold up something foreign, a raisin or peppercorn, and ask how it reached China	Groups estimate the route and the period to check later
5-14 min	Zhang Qian	138 to 126 BCE, 12 years, then commanderies along the Hexi corridor	Mark four stops from Chang’an to Dunhuang on a map
14-23 min	Overland exchange	Goods out and in, plus Buddhism east and papermaking west	Two-column table with three items each
23-31 min	Tang sea routes	Guangzhou, the maritime trade commissioner, the route to the Persian Gulf	Draw arrows from Guangzhou to the Gulf
31-41 min	Song customs houses	Three ports, taxation and regulation, then two reasons for the shift to sea	Two sentences: one strength and one weakness for land and for sea
41-45 min	Exit check	Three questions collected and marked on the spot	Three answers, each with one reason

03 Teaching script (read it out)

Scene 1: Act 1: Twelve years away, one map brought back

Start with the motive: Emperor Wu needed leverage against the Xiongnu, heard that a people called the Yuezhi wanted revenge, and sent Zhang Qian west in 138 BCE. He was held by the Xiongnu for years and only returned in 126 BCE, 12 years later. What he brought back was not a treaty but intelligence: how many states lay west, where the water and pasture were, whose horses were strong, how large their armies were. That knowledge turned an unknown into a market and a set of possible allies. Han then established commanderies in the Hexi corridor, extended walls and garrisoned the passes, and only then could caravans travel with reasonable safety. The route ran from Chang’an through the Hexi corridor to Dunhuang, out through the Yumen or Yang pass, then split into northern and southern branches across the Western Regions toward Central and West Asia. At about 7,000 km, and roughly 30 km a day, one way alone takes about 233 days, which is why no single merchant went all the way: goods were handed on stage by stage, each hand adding a margin, which is also why the final price was so high.

Students can state the 12 years, the four stops and the stage-by-stage handover.

Scene 2: Act 2: More than goods changed hands

Two columns on the board. Outward: silk, porcelain, tea and ironware. Inward: grapes, alfalfa for fodder, cucumbers, spices, good horses, music and instruments. Two points need drawing out. First, why silk became the emblem: it is light, valuable and non-perishable, so freight is a small share of its price, which is exactly what a 7,000 km caravan route can carry, the opposite logic to container shipping today. Second, the non-goods mattered more: Buddhism came east along this route and papermaking travelled west later, and ideas and techniques move further than cargo. Ask the class what the road would be worth if it carried silk only, and the answer is far less, because crops, faith and technique are what change a society. Close with the weakness: the route crossed many rival powers, each charging tolls or protection money, so whenever politics broke down the traffic stopped.

Students can fill both columns with three items and name Buddhism east and papermaking west.

Scene 3: Act 3: From land to sea – Tang Guangzhou and the Song customs houses

By Tang times sea trade was substantial. Guangzhou was the leading port, managed by a maritime trade commissioner, and ships ran through the South China Sea, past the straits, into the Indian Ocean and the Persian Gulf, the route later called the maritime Silk Road. The Song made it an institution: customs houses at Guangzhou, Quanzhou and Mingzhou levied duty, inspected cargo and looked after foreign merchants, and Quanzhou became one of the world’s great ports. Why the shift to sea? Two reasons, both concrete. First, cost and risk on land: many rival powers, tolls, and wars that cut the route for years, plus the sheer cost of moving goods 7,000 km by animal and human labour. Second, technology and capacity: better shipbuilding and the compass allowed vessels carrying hundreds of tonnes, one ship matching hundreds of camels, so cost per tonne fell sharply. Land routes did not vanish; high-value light goods kept using them while bulk went by sea. End with the urban consequence: Quanzhou and Guangzhou grew because of the harbour, which is how trade reshapes cities.

Students can state the customs house duties and both reasons for the shift to sea.

04 Question types and worked steps

Type	Example	Steps	Answer
Route ordering	Order Chang’an, Dunhuang, the Hexi corridor and Central Asia from east to west.	(1) Draw a direction arrow (2) Place each stop from east to west (3) Mark the Yumen and Yang passes	Chang’an, Hexi corridor, Dunhuang (Yumen or Yang pass), Western Regions, Central Asia.
Exchange table	List three exports and three imports of the overland route.	(1) Two columns (2) Exports are light and valuable (3) Imports are crops, animals and spices (4) Add one non-good exchange	Out: silk, porcelain, tea or iron. In: grapes, alfalfa, spices or horses. Non-goods: Buddhism east, papermaking west.
Calculation	The route is about 7,000 km and a caravan covers 30 km a day. How long is one way?	(1) 7,000 divided by 30 (2) 233.3 (3) Round to about 233 days (4) Note that stops and handovers are excluded	About 233 days, over seven months, before any waiting, trading or seasonal delays.
Cause and explanation	Explain two reasons the share of sea trade rose between Tang and Song.	(1) State the weakness of the land route (2) State the technical advantage of the sea (3) Give one concrete example each	Land crossed many rival powers with tolls and wars that cut traffic; sea benefited from better ships and the compass, so larger cargoes at lower cost, and ports such as Quanzhou and Guangzhou grew.

Sanity check (teach this): Reasonableness check: 138 minus 126 is 12 years, not 12 months and not 2 years; 7,000 divided by 30 is 233 days, so 23 means a zero was lost; the route was two-way, so listing only silk out is incomplete; the Song had customs houses while Tang had a commissioner, so do not merge them; Zheng He sailed from 1405 in the Ming, which is outside this chapter; claiming the land route was entirely replaced is wrong, since light valuable goods kept going overland; Buddhism travelled east, not out from China.

05 Independent practice (3 questions)

Question	Answer	What to watch
Zhang Qian left in 138 BCE and returned in 126 BCE. How many years was that?	138 minus 126 is 12 years.	Check for writing 12 months, or adding the BCE years.
The route is about 7,000 km at 30 km a day. How many days one way?	7,000 divided by 30 is about 233 days.	Check the number of digits; 2,330 or 23 both mean a division error.
State two duties of the Song customs houses.	Levying duty on cargo and registering or supervising foreign merchants, including inspecting goods and receiving envoys.	Check whether the answer stops at collecting tax and omits supervision.

06 Common mistakes and what to say

Mistake	Student writes	Say this
Imagining one fixed highway	“The Silk Road was a paved road from Chang’an to Rome.”	Say: it was a set of routes and a chain of middlemen, with northern and southern branches and seasonal limits. The same bale of silk might pass through several merchants. It is a network, not a road.
Telling only the export story	“The Silk Road was China selling silk abroad.”	Say: trade runs both ways. Grapes, alfalfa, spices and horses came east with Buddhism, and papermaking went west. Leave out the inward flow and you miss how China itself changed.
Merging the Tang commissioner with Song customs houses	“The Tang already had customs houses.”	Say: Tang appointed a maritime trade commissioner; the Song created customs houses as permanent offices a dynasty later. Naming the period correctly protects the marks.
Placing Zheng He in the Tang or Song	“Zheng He sailed from Quanzhou in the Song.”	Say: Zheng He was Ming, first sailing in 1405, over three centuries later. This chapter is about ports and customs houses; Zheng He is about state-sponsored voyages.

07 Homework (paper, section and question numbers)

History index: redo questions 1 to 3 and draw a route map from Chang’an to Central Asia marking Dunhuang and the two passes — Lesson practice 1-3
History index: in 150 words explain why the sea carried a growing share of trade in Song times, using one land reason and one sea reason — Act 3 of this lesson

08 Exit check (last 5 minutes)

Question	Answer	Decision
How long was Zhang Qian away, and what was his most valuable gain?	12 years, from 138 to 126 BCE, and intelligence on the position, products and armies of the Western Regions.	Answering that he brought back a treaty means the facts are not secure.
Name two goods that came into China along the overland route.	Grapes, alfalfa, spices, horses, cucumbers, music and instruments, any two.	Exports only means Act 2 needs reteaching.
Where were the Song customs houses, and what did they do?	Guangzhou, Quanzhou and Mingzhou; they levied duty, inspected cargo and supervised foreign merchants.	Naming only Guangzhou, or only taxation, is incomplete.

09 Tutor FAQ

Which year is this for?

S1. S3 Hong Kong and modern Chinese history reuse trade and port cities, and the S4 economics trade unit builds on it.

Can three acts fit in 45 minutes?

Yes. Each act runs 9 to 10 minutes, with one division and two tables in class, and the route map filled in rather than drawn from scratch.

Any cross-topic links?

Yes. Division and units in S1 mathematics, deserts and monsoon winds in S2 geography, and shipbuilding materials and the compass in S3 science all connect.

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A TutorZone lesson-prep guide. Written by the TutorZone team; questions and lesson flow are original and are not taken from any school or publisher material.