It was John Locke that beloved this I think
The answer is (A) economic protectionism and regulation.
True! During imperialism, many European countries colonized African nations, making them colonies of Europe. So therefore, many present African nations and states were once colonies. Hope this helped, lmk if you need anything else!
Ok so when the americans moved west, they built plantations and needed slaves for the plantations. In the east, however, the northern half wanted to free all of them.