<Dl> <Dt> Legislative </Dt> </Dl> <Ul> <Li> Writes and enacts laws </Li> <Li> Enacts taxes, authorizes borrowing, and sets the budget </Li> <Li> Has sole power to declare war </Li> <Li> May start investigations, especially against the executive branch </Li> <Li> The Senate considers presidential appointments of judges and executive department heads </Li> <Li> The Senate ratifies treaties </Li> <Li> The House of Representatives may impeach, and the Senate may remove, executive and judicial officers </Li> <Li> Sets up federal courts except the Supreme Court, and sets the number of justices on the Supreme Court </Li> <Li> May override presidential vetoes </Li> </Ul> <Li> Writes and enacts laws </Li> <Li> Enacts taxes, authorizes borrowing, and sets the budget </Li>

The source of the separation-of-powers doctrine in the american political system is located in