The main cause for the great migration, was the desire of African Americans to get away from segregation and the Jim Crowe laws. They also wanted to find better job opportunities as well. They took advantage of the needs of industrial work after World War I up North. They also confronted racial, prejudice, economics, and political challenges that African Americans faced.
What kind of slogan are we talking about? I can think of a few.
Textiles because machines allowed dozens of cotton threads to be made at the same time. Also, they did it faster than humans could.
that is called the theme of a story.
