Final answer:
The Articles of Confederation was the nation's first plan of government, drafted in 1777. It codified the Continental Congress's practices and powers and established a confederation of states.
Step-by-step explanation:
The nation's first plan of government was the Articles of Confederation. Drafted in 1777, it was the first political constitution for the government of the United States. The Articles of Confederation codified the Continental Congress's practices and powers and established a confederation of states.