Answer: B
Explanation: "Amendments may be proposed either by the <em>Congress</em>, through a joint resolution passed by a two-thirds vote, or by a convention called by Congress in response to applications from two-thirds of the state legislatures." -senate.gov
The answer for 1. is A.
The answer for 2. is B.
The answer for 3. is B.
Belief in the benefits of profitable trading; commercialism. Have a good day.