Answer:
Alaska
On March 30, 1867, the United States reached an agreement to purchase Alaska from Russia for a price of $7.2 million. The Treaty with Russia was negotiated and signed by Secretary of State William Seward and Russian Minister to the United States Edouard de Stoeckl.
Explanation:
I believe the answer is b. They feared that the larger states could easily outvote them in Congress. taking the test right now.
If there are disagreements. It could be over land, government, taxes, etc.