What aspect of the Emancipation Proclamation caused some to believe it was more focused on protecting the Union rather than freeing slaves

How does the concept of competition relate to the arms race between the us and the soviet union during the cold war?

The supreme court serves what important function in the u.s. federalgovernment?

Four score and seven years ago our fathers brought forth on this continent a new nation, conceived in liberty, and dedicated to the proposition that all men are created equal. —"the gettysburg address," abraham lincoln which quotation correctly uses an ellipsis to shorten lincoln’s words?