The answer is D. Suspending habeas corpus, since Lincon was worried about losing a key slaveholding state to the Confederacy. Which would make capturing the U.S Capital (Washington D.C) possible if the slaveholding state went with the Confederacy.
The main idea presented in the passage is that B. There are many reasons why the Ancestral Puebloans may have left Mesa Verde.
<h3 /><h3>Why did the Ancestral Puebloans leave Mesa Verde?</h3>
Historians are still unsure as to why the Ancestral Puebloans left their home in Mesa Verde and have come up with several reasons to explain it.
One of those reasons could be overuse of the land which led to a lack of food production. There could have also been social and political problems.
In conclusion, there are several possible reasons for the Ancestral Puebloans leaving.
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D) Boycotting goods made in Britain