In the American colonies of the 1770s, people were fed up with British laws. Local farmers and tradesmen secretly formed a militia. In 1775, when the British marched into Lexington and Concord, Massachusetts, the Americans were ready. From that first battle to the final showdown at Yorktown, the Americans fought against tremendous odds. The British army was bigger and better trained. Food and guns were scarce. But George Washington s ragged army fought...