Answer :
The connection made by the author between the Jim Crow Laws and the Great Migration was that the laws perpetuated white supremacy so many Blacks decided to move north in hopes to escape the mistreatment and racism.
What is the Jim Crow Laws?
This was a discriminatory laws made in Southern state that caused the Great Migration of many African Americans from Southern America to the Northern parts.
Hence, because the laws perpetuated white supremacy so many Blacks decided to move north in hopes to escape the mistreatment and racism, the connection is drawn between the two items.
Therefore, the Option D is correct.
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