1. Any taxation bill must originate in the House of Representatives (HOR). 2. The Senate can prevent a department or Supreme Court appointment by the president. 3. The Congress can cut off funding...
courts may declare acts of congress to be unconstitutional
the method in which each branch has the power to restrain powers of the other branches, it is used to prevent abuse of one branch
Because courts may declare acts to be unconstitutional
using the system of checks and balances