B because I took this test and got a A.
Thirty eight states must need to agree to amend the articles of confederation. This is clearly stated in Article V of the Constitution of the United States where two thirds of both houses shall deem the amendment if it is necessary and when a convention is made three fourths of the legislature shall ratify the amendments laid on the table.
There are a total of 50 states in the US you multiply that with ¾ of the said states in the constitution you’ll get 37.5 votes (i.e. 38 states required).
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That they can make their own laws to govern the people. The federal government (mostly) does not interfere. This is why people can vote for things i.e. the legalization of marijuana.
Hope this helps! Brainliest is always appreciated!