The british heard that the colonist were storing guns in lexington and they wanted to destroy it. The british were not successful because the minutemen were already warned and not suprised.
Declaration of Independence
Richard Henry Lee proposed that the united states colonies should be free and independent. The second Continental Congress voted on Lee's proposal for independence.
George Washington in Boston
When George Washington came to boston the militia were not trained. After being trained militia were well organized and defeated the british in boston.