I know that one of them was the stock market crash that occurred on Black Tuesday, October 29 in the year of 1929, and that was one of the major causes that led to the Great Depression.
East Germany built the Berlin Wall to put a permanent stop for the
people to go or get access to the West. This happened during the Cold War when
West Berlin was considered a getaway place for people who want to escape the
rule of communism and flee into democracy that it supported.
Well lol the answer is worked for food xD!
This is in fact true, Hawaii was just U.S territory for over 50 years before it became an official state.
A is the correct I hoped that helped