<Li> Southern <Ul> <Li> Yorktown </Li> </Ul> </Li> <Ul> <Li> Yorktown </Li> </Ul> <P> The American Revolutionary War (1775--1783), also known as the American War of Independence, was an 18th - century war between Great Britain and its Thirteen Colonies (allied with France) which declared independence as the United States of America . </P> <P> After 1765, growing philosophical and political differences strained the relationship between Great Britain and its colonies . Patriot protests against taxation without representation followed the Stamp Act and escalated into boycotts, which culminated in 1773 with the Sons of Liberty destroying a shipment of tea in Boston Harbor . Britain responded by closing Boston Harbor and passing a series of punitive measures against Massachusetts Bay Colony . Massachusetts colonists responded with the Suffolk Resolves, and they established a shadow government which wrested control of the countryside from the Crown . Twelve colonies formed a Continental Congress to coordinate their resistance, establishing committees and conventions that effectively seized power . </P>

Who was the us at war with during the american revolution