I believe option A since the rest have majority relation with the environment and climate.
<span>When two ideas that sharply contrast with one another are put side by side in a parallel structure, this is known as: Antithesis
Example of an antithesis sentence:
"Since he stole to feed those who are hungry, he is regarded as the most kind-hearted villain in history."</span>
Your answer would be D because our government is divided into 3 branches
1.Can't tax exports
2.Can't favor one port over another
3.Can't require taxes of ships from one state to another
4.Can't interfere with slave trade ( until 1808)