USA U.K. France i remember
Actually, the answer is B "the development of the hydrogen bomb" :)
Answer:
me too im doing this assignment too i thought you would know
Explanation:
The south states did not like Abraham Lincoln. Abraham acted against slavery and the southern states were mainly based on slavery. This is when the southern states started to break from the United States. This is how the southern states reacted to the election of Abraham Lincoln.
Hope this helped
