Delaware River

The Delaware River was the location where George Washington rapped and also where Americans made their cameo appearances in George Washington vs William Wallace.

Information on the Location
The Delaware River is a major river on the Atlantic coast of the United States. Its watershed drains an area of 14,119 square miles (36,570 km2) in five U.S. states—New York, New Jersey, Pennsylvania, Maryland and Delaware. Rising in two branches in New York state's Catskill Mountains, the river flows 419 miles (674 km) into Delaware Bay where its waters enter the Atlantic Ocean near Cape May in New Jersey and Cape Henlopen in Delaware. Not including Delaware Bay, the river's length including its two branches is 388 miles (624 km). The Delaware River is one of nineteen "Great Waters" recognized by the America's Great Waters Coalition.

Appearance in the Rap Battle
This is the location where George Washington rapped, and also where Americans made their cameo appearances. There are constant fireworks shooting off in the background.

Trivia

 * There are fireworks shooting off in the background. This is in celebration of the 4th of July, also known as Independence Day.