Answer:
Industrial Revolution
1712: The steam engine is invented
Thomas Newcomen invents the first steam engine. It is not very useful yet, but the idea of using steam to make machines go will be important to the Industrial Revolution.
1764: The spinning jenny is invented
James Hargreaves, a British carpenter and weaver, invents the spinning jenny. The machine spins more than one ball of yarn or thread at a time, making it easier and faster to make cloth.
1712: James Watt improves the steam engine
James Watt from Scotland designs a more efficient steam engine. One of the most important inventions of the Industrial Revolution, steam engines power the first trains, steamboats, and factories.
1794: Eli Whitney patents the cotton gin
Eli Whitney creates a machine that makes it much easier to separate cotton seeds from cotton fiber. It greatly reduces the time it takes to clean cotton and helps the southern states make more money from cotton crops.