The action which best illustrates checks and balances is (3) the House of Representatives Ethics Committee reviewing members' financial records. Checks and balances is a system where one part of government checks and regulates what another part of government is doing to make sure that they are doing everything rightfully and lawfully. This is often very present when their is a separation of powers and in a bicameral government.
I believe the answer is B
Tensions between Mexico and the American colonists increased, eventually leading to open rebellion.
National honor of the trousers