What was the constitutional convention that met in philadelphia in 1787 supposed to do

they met in 1787 because they discussed the weakness of the Articles Of Confederation

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:

answer; /// i do believe that the correct answer is (a); a farming tribe that settled primarily along the mississippi and arkansas rivers;