How did colonizing countries hold and try to control their colonies? The institution of imperialism was maintained by a complex set of ideas on race and civilization. These ideas worked to both justify the colonization of countries and to maintain the military and economic power that upheld the colony.
Answer:
A. The exchange of goods, disease, plants, and crops that happened because Europeans came to the New World.
The main way in which the Ancient Greeks changed the ways in which people dealt with legal issues is that they implemented a system of direct democracy, giving people the opportunity to vote directly on the legal issues that affected them.