The refusal by the senate to approve the president's budget or nominations of judges is an example of what?

a federalism
b separation of powers
c checks and balances
d bicameralism

How did margaret thatcher de-escalate the cold war

How and why did british north american colonists fight a revolution to create a constitutional republic, the united states of america?

Which of the following quotes from the constitution describes the senate? "no person…who shall not have attained to the age of twenty five years, and been seven years a citizen of the united states, and who shall not, when elected, be an inhabitant of that state in which he shall be chosen." "the…shall chose their other officers, and also a president pro tempore, in the absence of the vice president, or when he shall exercise the office of president of the united states.""the…shall be composed of members chosen every second year by the people of the several states.""the…shall choose their speaker and other officers; and shall have the sole power of impeachment."