When historians document events in the past, it is important that they

Consider the impacts to future generations

Explanation:

They should record properly to avoid questions.

well, i can't read it so i'll ask you questions about it : )

if you were a reader and you read the introduction, would you want to read more?

does it start with a question? if so, is it something you would want to read about?

and ask any friends or family for their opinion : )

answer; fulfilling a goal of the president's council of physical fitness and sports;