The historical event that caused the United States urban population to climb from 6 million to 44 million between 1860 and 1910 was the development of factories during the industrial revolution. Money was to be made and this made people rush to the cities. They also had popular entertainment attractions that brought people in such as vaudeville amusement parks, etc.
Answer:
no C. the structure of the Iroquois League
"the americans supported the indian removal act because the colonies wanted their lands. they were tired of constantly crossing boundaries with the indians' hunting grounds and such. americans also considered indians to be savages. they constantly fought with each other. so the indian removal act forced indians to move west, this being known as the trail of tears. thousands of indians died on this journey."
