Answer:
246 years
Explanation:
As far as the institution of chattel slavery ; the treatment of slaves as property ; in the United States, if we use 1619 as the beginning and the 1865 Thirteenth Amendment as its end then it lasted 246 years, not 400.
The Causes and Spread of the Great Depression
In Africa, a number of specialized occupations developed ,highly skilled metal smiths developed more effcient tool that increase agricultral produtivity. they also produce improved weapons ,which became important in the expansion of kingdoms.
First to sing the Declaration of Independence
