Ameliorate the Constitution

Directions: grammatically correct the following sentences. There are 5 missing commas and two sentences.

The Continental Congress adopted the Articles of Confederation the first constitution of the United States on November 15 1777 However ratification of the Articles of Confederation by all thirteen states did not occur until March 1 1781. 

link: art
 Video:  Crash Course

The Continental Congress adopted the Articles of Confederation, the first constitution of the United States, on November 15, 1777. However, ratification of the Articles of Confederation by all thirteen states did not occur until March 1, 1781.