Question: There are two formal methods of proposing an amendment to the Constitution. The first is by a two-thirds vote of the House and Senate. What is the second way? Question options: a) A national convention that is called by Congress at the request of two-thirds of the state supreme courts b) A national convention that is called by Congress at the request of two-thirds of the state legislatures c) A national convention that is called by Congress at the request of two-thirds of the state governors d) A national convention that is called by Congress at the request of two-thirds of the state legislators and governors e) A national convention that is called by Congress at the request of the popular vote in two-thirds of the states