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."
C.)Radical Republicans wanted African Americans to have voting rights.
A local party organization is an organization responsible for a political party's activities below the state level but is not registered with the Federal Election Commission as a district or local party committee.
National committees have the greatest role in the years of a presidential election, they are responsible for planning the nominating convention and also spend heavily in support of their party's nominee.