Why was the battle of lexington and concord a major cause of the american revolution?

The Battle of Lexington and Concord are seen as the start of the American Revolution.

These battles mark the first open hostilities with the British Army and signaled the beginning of the War and were seen as the opening of a divide between the British and its colony.

immigrants from northern and western europe continued coming as they had for three centuries, but in decreasing numbers

is there a table of answers to choose from?