Answer:
The Constitution provides that an amendment may be proposed either by the Congress with a two-thirds majority vote in both the House of Representatives and the Senate or by a constitutional convention called for by two-thirds of the State legislatures.
Explanation:
From all these answers the answer would be A - they were, for the most part, united behind a goal for independence.
That slaves would take its jobs at lower wages is people in border states.
I believe the answer is A.
