No two US states share a northern border with Maine.
The Missouri Compromise allowed two new states to be admitted. The two states that were admitted are Maine and Missouri.
I don't know what in is, but the two states would be somethingike Maine and Hawaii or Maine and Alaska.
two states that are on opposite coats are Maine and California.
No two US states share a northern border with Maine.
Maine and Hawaii
Vermont and Maine
The Missouri Compromise allowed Maine and Missouri to enter the United States. Maine would be a free states, while Missouri would be a slave state.
Alaska and Hawaii
Not counting California, the answer is two states--Oregon and Washington. Just go north up to Canada and take the Queen's highway all the way east to Maine.
Maine and new york
Maine and nebraska