Answer:
Slavery existed in the United States of America from its founding in 1776 until the passage of the Thirteenth Amendment in 1865.
Explanation:
Alcohol can damage your memory permanently
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.
Positive =focused ,negative =uninterested and bored