2)how did the afghanistan war affect the soviet union?

The leaders of the soviet union became concerned that President Amin was having discussions with the united states. On December 24, 1979 the soviet union invaded Afghanistan. They had President Amin put to death and installed their own leader, President Babrak Karmal.

necessary and proper clause. the congress shall have power to all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states, or in any department or officer thereof.