Which of the following was a major cause of the Civil War? A: Cotton becoming the cash crop of the south. B: Sectionalism. C: The battle at bunker hill. D: Harriett Tubman.

B
Sectionalism is loyalty or support to a particular section of the nation the north and south were at ends against slavery that’s what the whole cocoa war is about so there opposing opinions and beliefs started the war and so that lead to sectionalism cause if you’re from the south in the 1800s and own slaves you are only gonna support the south and not the north

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