It is very much hard to answer.
It was mainly because of how the North and the South of America had different lifestyles and economy's. You would be surprised to know that the Democratic party back then supported Slavery and the republicans dint support Slavery.
Plain Answer: Because of Slavery, Way of Life and Different Economy. The Democratic Party would do anything to keep themselves supported.
Answer:
The Battle of Stalingrad
Explanation:
It is famous for its line "Not one step back!" The Battle of Stalingrad (23 August 1942 - 2 February 1943) was a major battle on the Eastern Front of World War II in which Nazi Germany and its allies fought the Soviet Union for control of the city of Stalingrad in Southern Russia, on the eastern boundary of Europe.
D fasure cause the rest all the citizen doesn’t share or abt segregation