Why is it important for historians to corroborate the information
found in pieces of historical evidence?
o
a. every claim must be supported with both a primary and a
secondary source.
o
b. each paragraph of an argumentative essay should use
different sources.
o
c. corroborating evidence simplify it for a wider audience.
o d. different pieces of evidence may contradict the original
information
submit

A

Explanation:

Corroborate means to confirm a finding, theory, or a statement(claim is a statement).

Contradict means a conflict.

Now this is out the way; the correct answer is A

20 years ago

explanation:

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.