d) It allowed popular sovereignty to decide the slavery issue
The system of checks and balances is an important part of the Constitution. With checks and balances, each of the three branches of government can limit the powers of the others. ... Each branch “checks” the power of the other branches to make sure that the power is balanced between them.
Answer:
John F. Kennedy
Explanation:
It has been several decades since John F. Kennedy published his article in Sports Illustrated, in which he said "We do not want in the United States a nation of spectators. We want a nation of participants in the vigorous life."