Articles of Confederation: The Articles of Confederation were an early form of government in the United States that created a weak central authority and granted most powers to individual states.
Constitutional Convention: The Constitutional Convention was held in 1787 to create a new constitution for the United States, resulting in the drafting and adoption of the US Constitution.
Ratification: Ratification refers to formal approval or acceptance. In this context, it specifically relates to the process through which state conventions voted to approve or reject the newly drafted US Constitution.