Answer:
because it is a complex period in US history, as it follows the most bloodiest war in american history, the civil war, another reason why they should learn and know about it is because it has an impact on the US to this very day, from the formation of the klu klux klan, and other white supremachist groups.
Explanation:
The Jurassic era would hold such things
Answer:
a United nations with no slavery
Is there any choices for this ??
