After congress has approved a proposed amendment to the constitution, what then must take place before that
amendment becomes law?

a. the president must approve it.
b. three-quarters of the states must approve it.
c. the supreme court must approve it.
d. half of the states must approve it.

The lands were to be sold to provide an endowment for the establishment of "at least one college where the leading object shall be, without excluding other scientific and classical studies and including military tactics, to teach such branches of learning as related to agriculture and the mechanic arts.