Which title best completes the diagram? O The Nullification Crisis
O Causes of the civil war
O Key Events Of The Civil War
O Individual Rights During The Civil War

the 1 st one is correct one

Explanation:

in my view nullification is one of the issue of USA

so The Nullificatin crisis could be correct

hope it can be helpful

do u have any answer choices man?

i dont know the answer sorry but if i knew it i would of told you