The Articles of Confederation were a failure, so we tried a second time, at the Constitutional Convention in Philadelphia in 1787, the result of which was the Constitution under which the American government has been operating since.

https://en.wikipedia.org/wiki/Articles_of_Confederation

https://en.wikipedia.org/wiki/Shays%27_Rebellion

https://en.wikipedia.org/wiki/Constitutional_Convention_(Uni...

Thanks !