Because of there natural resources like iron and coal.
Answer:
The North had more soldiers, more factories, and more transportation roads than the South. The only upper hand that the South had over the North was better leadership.
Answer:
The term "imperialism" was first used in the 1830s to recall Napoleonic ambitions. It gained its core contemporary meaning around the turn of the century as a description of the feverish colonial expansion of Britain, France, Germany, Russia, the United States, and Italy. But the term is not confined to formal colonial expansion; in particular, the continuing dependence of much of the Third Worldon Western states
Explanation: