<span>Congress and foreign policy. The constitutional function of Congress is essentially to act as a check on presidential power. Only Congress can declare war, and the Senate must approve all treaties and confirm the president's nominees for ambassadorial and cabinet positions.</span>
Expressed Powers. powers directly stated in the constitution by the founders. - also called enumerated powers. Implied Powers. powers that the national government requires to carry out the powers that are expressly defined in the constitution.
The scenario "Banning CFCs has resulted in the shrinking of a hole in the ozone above Antarctica." illustrates an example of how environmental policies have resulted in the reversal of environmental damage. I hope my answer has come to your help. God bless and have a nice day ahead!