After the Revolution, the States adopted their own constitutions, many of which contained the . The Americans still faced the challenge of creating a central government for their new nation. In 1777 the Continental Congress adopted the Articles of Confederation, which were ratified in 1781. Under the Articles, the states retained their “sovereignty, freedom and independence,” while the national government was kept weak and inferior. Over the next few years it became evident that the system of government that had been chosen was not strong ....