With the approach of independence, it was obvious that a more permanent and legitimate union of the states was necessary. A draft of a confederation was accepted by Congress in November 1777. The document was accepted by all the states by March 1781, which was called the Articles of Confederation. 随着独立将近，很明显，美国有必要建立一个更加持久和合法的国家联盟。1777年11月，国会接受了联邦的草案。该文件在1781年3月被所有的州所接受，被称为邦联条例。答案为C。