Pls help me on this for history

What is the lesson learned in the myth "Havoc in Heaven?"

in november 1781, john hanson became the first president of the united states in congress assembled, under the articles of confederation. many people have argued that john hanson, and not george washington, was the first president of the united states, but this is not quite true.

explanation:

c or d both can be the answer

north atlantic treaty organization.