The U. S. Constitution gives citizens the right to vote for the president. This is an example of
A. representative democracy
B. federalism
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C. checks and balances
D. separation of powers

A. representative democracy

Explanation:

answer: in october 1962, an american u-2 spy plane secretly photographed nuclear missile sites being built by the soviet union on the island of cuba. president kennedy did not want the soviet union and cuba to know that he had discovered the missiles. he met in secret with his advisors for several days to discuss the problem.

explanation:

the answer is a, salt plain