To make changes to the U. S. Constitution, the Congress and the states must approve an amendment. In what proportions must the Congress and the states vote in favor of an amendment for it to become law?

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.

in 1862, president lincoln's emancipation proclamation opened the door for african americans to enlist in the union army. although many had wanted to join the war effort earlier, they were prohibited from enlisting by a federal law dating back to 1792.

explanation:

(b) britain had a much larger navy than the u.s.

(d) the u.s. had a small army compared to britain.