How did the inventions of the late 1800s change the nation?

Explanation:

The Inventions of 1800 changed the U.S through the first industrial revolution.

The industrial revolution was the transition from hand production methods to machines, new chemical manufacturing and iron production processes, the increasing use of steam power and water power at factories, the development of machine tools and the rise of the mechanized factory system. The Industrial Revolution also led to an unprecedented rise in the rate of population growth and increased highly the nation standard of leaving.

During this period, inventions like the automatic oiling system by  Elijah McCoy and electrical telegraphs where introduced.

the answer is a) james madison.

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