Question 9 of 35 Why were Northern states concerned about Kansas and Nebraska becoming
states in the 1850s?
A. They believed that the new states would reject the principle of
popular sovereignty.
B. They claimed that the new states would join the South in seceding
from the union.
C. They worried that the new states could be pressured to allow
slavery
D. They argued that the new states would have too much political
influence.