Why did southern states start passing jim crow laws

The Southern states formed a segregated society by passing so-called Jim Crow laws. These lawsrequired African Americans and whites to be separated in almost every public place where they might come in contact with each other. ... Jim Crow laws were established after the Civil War.

Britain and its empire stood alone against hitler and mussolini. in june 1941, hitler broke the non-aggression agreement with stalin and germany invaded the soviet union. in december, japan attacked the us and britain. the main lines of world war ii had formed.