How did the military change over the course of the period of the Roman Republic?

The role and structure of the military were then altered during the empire. It became less Roman, the duties of border protection and territorial administration being more and more taken by foreign mercenaries officered by Romans.

a)scientists

explanation:

the national defense education act had two main goals. the first one was to provide personal that was oriented to defense, including scholars, engineering students and so on. the other goal was to provide financial assistance for the students who would be enrolling at colleges and universities in the 1960s.