America was struggling with the articles of confederation so they made the constitution. The Articles of Confederation were very weak so framers made the constitution of the United States of America.

As it says in document 1,2 and 3 here are some weaknesses of the Articles of Confederation. The state government had more power than the federal government and that is not good. The states can do pretty much whatever they want without approval from the federal government. Also The federal government had no power to enforce treaties, so basically you stay at war forever unless the states want peace. Even more reasons that it is bad is that there is no national currency so you can not go to Maine and use New York money. This is obviously a big