Answer:
Evidence, clues, or pieces of the past
Explanation:
They need some way of knowing, so they study evidence,clues, and pieces of the past to figure out history.
The State of the Union address is mandated by the Constitution.
<h3>What is a constitution?</h3>
Constitution refers to the legal document, which contains the principles procedures by which a country is being governed.
It is to be noted that any address to be made by the congress or the union, such is mandated by the constitution.
Learn more about constitution here: brainly.com/question/453546
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Open range,in U.S. history, the areas of public domain north of Texas where from about 1866 to 1890 more than 5,000,000 cattle <span>were </span><span>driven to fatten and be shipped off to slaughter. The open ranges of western </span>Kansas<span>, </span>Nebraska<span>, the Dakotas, </span>Montana<span>, </span>Wyoming<span>, and other western states and territories served as huge pasturelands for the herds of the Texas ranchmen.</span>
