# data[].attributes.body
Since the middle ages people had to use a spinning wheels to make thread. But only one thread came out at a time. In 1764 James Hargreaves developed the spinning jenny a machine that could spin several thread at once. But in the 1780s, Edmund Cartwright built a loom powered by water and allowed workers to make more cloth in one day.

# data[].attributes.body
Samuel Slater was a skilled mechanic in a British textile mill. In 1789 Slater boarded a ship bound for New York city and then he visited Moses Brown, Moses was a quaker capitalist who had a mill in Pawtucket. The mill he had was not doing well because its machinery constantly broke down. Slater set to work on improving the machine in 1793 and Samuel Slater became the first person to build a successful textile mill.

# data[].attributes.body
In 1792 a group of 24 investors started the New York Stock Exchange. The stock market brought new wealth to investors and profits led to new investments and further ecomic growth

# data[].attributes.body
Interchangeable parts benefited pioneering work of American inventor Eli Whitney. Skilled workers made goods by hand. Also gunsmiths spent days making barrels,stocks and triggers for only one musket and they were all handmade. But Whitney wanted to speed up the making of guns by having machines make each part

# data[].attributes.body
Urbanization was a steady but gradual process. In 1800 only 6 percent of the nations population lived in urban areas. By 1850 the number had risen to 15 percent. These early cities were small,buildings were at most only a few stories tall,as the factory system spread the nations cities grew. Dirt and gravel streets turned into a mud-holes when it rains. Cities had no sewers and people threw garbage into the streets.

# data[].attributes.body
During the war of 1812 Francis Cabot Lowell a Boston merchant found a way to improve on British textile mills. One factory spun thread and the other wove it into cloth. The company hired young women from nearby farms. The young women and women like them in other society providing labor for the Industrial Revolution.

# data[].attributes.body
The Lowell Mill company hired young women from nearby farms. They usually worked for a few years in the mills before returning home to marry. They made an important economic contribution to American society by providing labor for Industrial Revalution.

# data[].attributes.body
Colonial Americans relied heavily on water power to fuel industry. A mill was placed at the bottom of a waterfall used the force of falling water. The water wheel turned by a waterfall or stream provided power to operate the mill. The water wheel also powered the mechanism that moved the logs through the mill. Gears that were attached the the water wheel moved the saw blade up and down to cut the logs as they moved past.

# data[].attributes.body
In 1825 Jethro Wood began manufacturing a iron plow with replaceable parts. This invention made it easier for farmers.

# data[].attributes.body
Samuel F. B. Morse invented the telegraph in 1844. It sent electrical signals along a wire. It was new technology that was possible by scientific discoveries of electricity.