Answer:
USA Stands for the united states of america c:
Explanation:The main British colonies in the new world/Americas were the thirteen colonies (Wikipedia). It was thus perhaps natural that the British (and English-speakers in general) came to refer to these thirteen colonies simply as "America". These colonies later became the USA.
On September 9, 1776, the Second Continental Congress adopted a new name for what had been called the "United Colonies.” The moniker United States of America has remained since then as a symbol of freedom and independence