I believe that the cash crops and the need for those cause a lot of slave trading. Americans used a lot of slaves to help build up cash quickly.
Answer:
Do you mean the “Civil Rights Act of 1964?”
If you did then I’m guessing Lyndon Johnson.
I hope this is what you mean and is correct :)
Benefits- The people have choice in who runs the country and which laws to place, and No rash decisions can be made without confirmation from multiple parties
Challenges- the first voting of the new leader, and setting up representatives for the new government