The answer is D, bill of rights
The exchange that took place during this time was called the Columbian Exchange
Millions of Americans are denied the right to vote because of their color.
The other answers deal with right and wrong, which are opinions.
I believe the answer is: Gender role
Gender role refers to a set of behaviours that is expected by society to be performed by a certain gender. In almost all society, women generally expected to be involved in feminie activities such as singing and dancing, and the men are generally expected to be strong and love different forms of physical activities.
