Answer:A and B
Explanation:The correct answer are A and B. A. Bill of rights and B. articles one, two, three to separate powers in the government.
The united states constitution is termed as the supreme law in U.S. It has seven articles which embodies the separation of articles and power of separation.
Constitution is being divided to legislative, executive and judicial. Article six, five, and four which embodies the concepts which includes federalism and lso describe the responsibilities and rights which are of state government.
The U.S constitution is being amendment twenty seven times. It also included the amendment which repeals the one were before such that to meet changing needs.