Process of elimination - everything but 1 and 3 does not sound like a bad thing. But the answer is yellow stars.
Engel v. Vitale, 370 U.S. 421 (1962), was a landmark United States Supreme Court case that ruled it is unconstitutional for state officials to compose an official school prayer and encourage its recitation in public schools.
Explanation
The Merrimack entered into battle against the wooden Union ships at Hampton Roads. The Union cannons fired shot after shot at the Merrimack with no success. The cannonballs bounced right off. The Merrimack then took aim at the Union ship the USS Cumberland. It smashed its iron ram right into the side of the ship. The Cumberland sunk. Then the Merrimack went after the USS Minnesota, damaging the ship and forcing it to ground. After hours of fighting, the Merrimack returned to Norfolk for the night.
Answer:
The cotton gin
Explanation:
Because since farmers needed to grow more cotton, they used more slave labor.
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<u><em>johannelbekian</em></u>
