Which of the following statements reflects the constitutional structure within the articles of confederation (1781-1789)?

Below are the choices:

a.Approval of policies and treaty ratification required nine affirmative votes.
b.State courts retained jurisdiction over most legal matters, except in cases of inter-stateconflict.
c.State governments would implement and pay for congressionally-approved policies.
d.Any constitutional amendments required unanimous approval of all thirteen states.
e.All these answers are correct.

e