Which of the following best shows how the issue of states' rights contributed to the onset of the Civil War? (1 point)

Question

Many Northerners believed that states' rights should not extend to slave states.

Many Southerners believed the rights of their states were threatened by Northern abolitionists,

Many Southerners believed that giving states additional rights would hold back westem expansion.

Many Northerners believed the rights of their states were threatened by the election of Abraham Lincoln.

Answer 1

Many Southerners believed the rights of their states were threatened by Northern abolitionists.