the British seemed unbeatable. During the previous 100 years, the British had enjoyed triumph after triumph over nations as powerful as France and Spain. At first glance, the odds were clearly against the Americans. A closer look provides insight into how the underdogs emerged victorious.
Britain's military was the best in the world. Their soldiers were well equipped, well disciplined, well paid, and well fed. The British navy dominated the seas. Funds were much more easily raised by the Empire than by the Continental Congress
Slaves were forbidden to leave the owner's property unless they were accompanied by a white person or had permission so in other words to keep them in check.