It was the difference of views on the matter of slavery. The answer would be b.
If that didn't help, then I apologize.
C. The federal government refused to lend any assistance to the South
This was untrue because the federal government shelled out a lot of money to help the South with Reconstruction.
If you like it then it is worth it
Answer:
The Battle of Buxar (1764) was the decisive battle which was fought between English Forces, and combined army of Mir Kasim, the Nawab of Bengal, Nawab of Oudh Shah Alam II and Mughal Emperor. The battle was the outcome of misuse of Farman and Dastak, and also the trade expansionist aspiration of English.
