Why were plague pits made during the Black Death

What two things did former british prime minister winston churchill affirm in his iron curtain speech?

What project establish leonardo da vincis reputation as a creative and talented engineer

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?