Answer:
There are two special rights only for U.S. citizens: voting in federal elections and running for federal office. Many naturalized citizens have been elected as U.S. Senators and U.S. Representatives. In order to run for the Senate, a candidate must have been a U.S. citizen for at least 9 years.
Explanation:
B. An agreement to boycott all British imports and stop exporting to Britain and its colonies
This is the closest answer. The Continental Association was a response to the Intolerable Acts in an attempt to have it repealed. The goal was to create enough hardship for Britain that they would be persuaded to repeal the Acts.
Towns often developed near oases because it was easy access to water and they could farm there.