The Republicans were able to gain the presidency in the election of 1860 because they scored a decisive win in the north.
Answer:
The Civil Rights Movement was necessary because of the second-class status African-Americans held.
The roaring twenties were called this because this was after the US won WWII so everyone was celebrating. The US started prohibition, but people kept on drinking and partying. It got so bad and crazy that this was one for the main reasons for the Great Depression