Answer:
d. Missouri
Explanation:
In the history of the United States, the most famous secession movement was the one that took place in the Southern states of the United States starting in december of 1860.
This secession was accepted in eleven states which joined together and formed the Confederate States of America.
The list of States from this Confederate Union is:
The first 7 States (South Carolina to Texas) seceded in just 6 weeks.
We can see that the state from the question that is not on the first seven places on the list (or on the list at all) is Missouri.
