Articles of Confederation: The Articles of Confederation was America's first constitution, which created a weak central government that ultimately led to its replacement by the United States' Constitution.
Founding Fathers: The Founding Fathers refers to the group of men who played key roles in drafting and signing the United States' Constitution, such as George Washington, Benjamin Franklin, and James Madison.
Ratification: Ratification refers to the formal approval or acceptance of something, such as when states ratified (approved) the United States' Constitution.