The contiental Army had a strong military leadership including George Washington and the Marquis de Lafayette. These leaders made good decisions throughout the war to help the army and defeat the British.
During the revolutionary war America had a alliance with France. This greatly helped the American cause because they were able to revieve funding men and other things from France in order to beat the british.
The british were fighting in the Contiental Army's backyard. The soilders knew their way around the land unlike the british. They were fighting on their home turf.
Look at all this Money!
The British army was the most powerful army in the world at the time. They were very well trained and was a strong European Army that was not to be messed with.
The British army had the newest equipment from top of the line factorys. They were able to get whatever supplies they needed to win the war.
The British tresury was by far one of the biggest in the world. With its large trading companys and colonial empire which stretched everywhere in the world they were able to fund a war in North America.