Answer:
C. Asked Soviet Union for help
Explanation:
After JFK set up the quarentine to prevent supplies to be sent to Cuba, Fidel Castro asked asked Nikita Khrushchev the leader of the CCCP (Soviet Union) for advice or help
it is important because it helps them to get things done faster
<span>When citizens are unhappy with a specific piece of legislation they want removed or struck down quickly, they can call a "referendum", which puts the issue to a direct vote by the citizens.</span>