What types of evidence do historians use to understand the past

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Historians use things such as primary soursces like fossials, Artifacts and  documentary evidence.  Evidence that a historian uses to study is the written record. Historians use data collected by governments to study what the world was like in regards to numbers and records.

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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 foundation of greek city-states: following the fall of the mycenaean civilization in the 10th century bc, the area surrounding the empire went through its own mini dark ages. answer and explanation