Could someone me for each action: what power was the president exercising? was the the power enumerated (formal) or implied (informal)? how? identify where in the constitution you believe the power can be derived. kennedy gives an ultimatum to the soviets about missiles in cuba . a. b. kennedy addresses the nation about the missiles in cuba a. b. kennedy blockades cuba with warships. a. b. ambassador stevenson exposes the missile sites to the un. a. b. kennedy removes missiles from turkey in exchange for the removal of missiles from cuba. a. b.