How did Italy gain and then lose power on an international level?

Present-day Italy became a sovereign state on March 17, 1861, during the Resurgence, a political movement that unified countries of the Italian Peninsula into a single nation of Italy. During the reign of the Roman Empire, the Italian Peninsula was among the imperial provinces under the rule of the Romans.

Explanation:

Well the joint chiefs of staff are Army,Navy, National Guard, and Air ForceMarines. you will notice that these are all leaders. So if they disobey him he can't fire him because there will be no defense for the nation. hope that helps:)