Which of the following best shows how the issue of states rights contributed to the onset of the Civil War

A) Many Northern believe that states right should not extend to slave states
B) many southerners believe that giving states additional rights would hold back western expansion
C) many southerners, believe the rights of state were threatened by northern abolitionists
D) many Northerners believed the rights of their states were threatened by the election of Abraham Lincoln

C) Many southerners believe the rights of state were threatened by northern abolitionists