American Revolutionary War Compare the strength and weaknesses of the American and British sides in the American Revolutionary War. Explain why the Americans were successful in winning. In comparing the British and the American strength and weaknesses, the reason the American were successful in winning the war was due to non-military factors and some geographic reason as well as foreign support. The non- military reasons included their ability to unite, use of propaganda like the one in the book Common Sense and the influence of people like Paul Revere and George Washington. Another main factor that affected the outcome of the war was