The von Thünen model would work BEST in an area that is A. a mountainous state
B. an isolated state
C. a state with many waterways
D. a densely populated state
E. a state with devolved power

An isolated state

Explanation: The Von Thünen Model is built upon three things:

1. Isolation (This is the important one for this question)

2. Homogenous Land Characteristics

3. Limited Methods of Transporting Goods

D) the principles of American government were above party politics.

Explanation:

By using this phrase, Thomas Jefferson wanted to convey the idea that Americans should feel a sense of unity and companionship towards their fellow Americans regardless of whether these were Democrats or Republicans. Jefferson believed that the sense of unity in politics came from the principles of the American government, such as freedom of speech, freedom of religion, democratic processes and the rule of law, and that these should come before any division due to party politics.