Hi there friend :)
Your answer is A. Pol Pot
Sorry if its wrong
-Take Care Now-
~Ans~
The answer is B, or "The institution of a single language for government"
I think that voter registration by the other 49 states is required because they want to control who can vote. C
Answer:
1. Do nothing
2. Use diplomatic measures
3. Approach Castro
4. Invade Cuba
5. Launch an air strike
6. Impose naval blockade
The fact that the America was largely increased by farming in the 19th century