Why did the United States experience massive growth in industrialization between 1860 and 1900?

The industrial revolution happened

Explanation:

The US and UK were one of the first ones to industrialize for a reason, they were protected by the sea. They didn't have to take any part in any war and could focus on internal stability. The industrial revolution also introduced a lot of new inventions like the cotton gin, which helped boom America's cotton industry in the south. America is a very rich country in terms such as resources, from the oil in Texas to the steel in Michigan.

the carthaginian general hannibal

copernicus finished the first manuscript of his book, "de revolutionibus orbium coelestium" ("on the revolutions of the heavenly spheres") in 1532. in it, copernicus established that the planets orbited the sun rather than the earth. he laid out his model of the solar system and the path of the planets.