It didn't go that easily though, it was relatively standard with regard to how difficult it was. They were literally fighting against the largest and most powerful military the world had ever known at that time.
However, education has been gutted so much and the textbooks have been tinkered with so much that the material around the Revolutionary War has been reduced to a series of footnotes. So people think it was as simple as buying a can of Coke.
eyesquash
TonyStark