How could historians help us understand why two groups of people are in conflict? A. Historians could explain that the groups live in different areas. B. Historians could explain that the groups had once been at war. C. Historians could explain that the groups shared the same culture. D. Historians could explain that the groups existed hundreds of years ago.

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.

the indians crossed artificial boundaries, setting the stage for conflict

the church governed the society after the empire fell.   constantine took charge of rome and ended the confusion which had over religion and made christianity as the only religion and that started ruling the roman empire. he also divided the empire into two and fortified the eastern part.   he ruled the eastern part.