They lived in large cities
The 19th Amendment, ratified on August 18, 1920, granted woman the right to vote.
The decision effectively stated that states could not be 'free' or a 'slave state' because its unconstitutional for states to exclude slave ownership in territories. The decision also stated that slaves were not citizens, thus could not sue in federal court. The best answer is that slaves were not citizens.
The oil crisis was when Iranian Oil no longer was sold in the U.S. and it was a problem because that was where the oil came from and caused a shortage. I'm gonna say the first one?