What three important powers does the Constitution give the president in the realm of diplomacy and national defense? What limits these powers?
a) Treaty-making, Commander-in-chief, Appointment of ambassadors; limits by Senate approval and Congress's power of the purse
b) War powers, Executive agreements, Recognition of foreign nations; limits by Congress's declaration of war and appropriations
c) Executive privilege, Pardon power, Control of the military; limits by judicial review and impeachment
d) Diplomatic immunity, Control of intelligence agencies, Veto power; limits by public opinion and congressional oversight