The second step to amending the Constitution is that an amendment must be approved by half of state legislatures.
three-fourths of state legislatures.
the president.
the Supreme Court.

The answer is B. three-fourths of state legislatures

Explanation:

The second step is that 3/4 of state legislatures must vote "yes" to amend the constitution because if they didn't need state legislatures, they could make amendments that the people of the states wouldn't like.

study of past cultures

it was certainly a debatable decision, mainly because it was based primarily on political - and not on legal or social - views. since the congress at that time was led by members of the republican party, and the territory that the tribes wanted to turn into an exclusively indian state was predominantly democratic, the proposal (as expressed in the constitution) did not succeed, but the constitution itself proved to be of crucial importance in the creation of the state of oklahoma, and, most importantly, it guaranteed the involvement of representatives of the indian tribes in the government of the future joint state.  

as a member of congress, i would have voted to ratify the constitution, or at least to have it tabled. ignoring it was an interested and partial decision.