United Nations: They make decisions on the world. They tried to make peace throughout the world after WWll.
Similarity: They tried to help out. They both had weak central power with each state or country having their own sovereignty. They both tried to unite things; the Articles tried to unite the colonies and the UN united all of the nations within the organization. They both can suggest things and little power to enforce it.
Difference: Articles of Confederation: the framers made decisions of the colonies. The articles made peace within the colonies. Organized the government so that people would stop disputing over what kind of government they should have. UN united the nations to help everyone, and the Articles tried to unite the country to help themselves.