The Articles of Confederation

A) could not be amended.
B) could be amended with a simple majority vote of the Congress.
C) could be amended only with a unanimous vote of the Congress.
D) could be amended only through a national constitutional convention in which three-fourths of state governor's approved of all changes.

Unanimous Vote

A unanimous vote occurs when all members of a decision-making body agree on a particular decision or motion without any dissent.

Constitutional Convention

A formal gathering for the purpose of creating or amending a constitution.

Amended

Officially modified, edited, or revised typically referring to documents, laws, or agreements to bring them up to date or improve them.