The causes of the Industrial Revolution

History · AS: The Industrial Revolution in Britain, 1750-1850 (exams to Nov 2026). The idea in plain words, the rules to remember, the mistake to avoid and a worked example, written and checked by Mega Lecture.

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The idea

Britain industrialised first because several changes came together in the eighteenth century. No single cause explains it.

The agricultural revolution came first. Enclosure, new crop rotations and better breeding produced more food with fewer workers. This fed a growing population and left labour free for industry. Profits from farming, overseas trade and the slave trade provided capital, and country banks lent it to businessmen.

Early machines then raised output, first in textiles. Each invention created pressure for the next: faster weaving needed faster spinning. Canals and better roads cut the cost of moving coal, raw materials and finished goods, which made larger businesses possible.

Rules to remember

Common mistake

Students often give Newcomen's engine the uses of Watt's later engine. Newcomen's engine only pumped water from mines; it did not drive factory machines.

Worked example

How could a change in farming help the growth of industry?

  1. Enclosure and new rotations raised food output per worker.
  2. More food supported a larger population, which meant more customers and more workers.
  3. Fewer workers were needed on the land, so labour was available for mines, mills and towns.
  4. Landowners' higher rents and profits could be invested in canals, mines and industry.

Answer: Farming changes supplied food, labour, demand and capital, all of which industry needed.

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