On which fact does the historical perspective of the two passages differ?

the cause of Otzi's death

Explanation:

We note in the first passage that there's a brief description of the Killer, at least mention was made of the killer thereby giving the reader a sense of what caused Otzi"s death.

However, the second passage uses indirect language to describe not the killer but the sufferings of Otzi, thereby creating a difference in historical perspective on the cause of Otzi's death.

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.