Answer:
The Articles of Confederation was an early representation of a government drafted by the United States of America. This was drafted to divide the powers among the states. It came into action by the late 18th century. After so many arguments and re-draft, this document was accepted by the head of the states.
The constitution is the latest document that is prepared by the officials to decide the way their government has to operate. Constitution is the document that leads to a democratic government. The constitution divided power among the different levels of government. For an organized and smooth running, even institutions go for coining constitution.