Abigail Adams, on March 31, 1776, in a letter addressed to her husband, John Adams.
Answer:
1. Separation of powers
2. Decide if an action is constitutional
Explanation:
The United States Constitution which was created following the 1787 Constitutional Convention, had founding fathers created checks and balances by establishing "Separation of powers."
Here asides from the power of other branches of government such as Executive and Legislature, the primary power of the judicial branch over others is to "Decide if an action is constitutional."
John Quincy Adams, hope this helps
Answer:
C a bill passed by both houses