Respuesta :
Answer:
I believe it is D - Declaring martial law in some parts of the South
Civil War, Congress reacted to rising violence against African American by declaring martial law in some parts of the South
What is Civil war?
Civil war gives rise to violence among state or nation.
This is often due to strive and enviness among nations involved.
Therefore, Civil War, Congress reacted to rising violence against African American by declaring martial law in some parts of the South.
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