Which president cautioned the united states about the importance of monitoring the power of the military-industrial complex?

Dwight Eisenhower.

Explanation:

In his parting speech from the White House, on January 17, 1961, President Dwight Eisenhower warned the nation about what he termed as the military-industrial complex, meaning the union of defense contractors and armed forces, on what Eisenhower considered a menace to democratic government.  

He remarked the cost of an arms race with the Soviet Union, which would take resources away from important areas.

the answer you are looking for is letter c. he supported the idea of a un-run war in serbia to bring peace to the area.

supporting this idea was an important step that bill clinton took in order to attempt to secure bosnia and keep the peace there. he led peace reconciliations -known as the dayton agreement- leaving bosnia as a single state made up of two parts with one central government.

to demand women’s suffrage