What historic event occurred on april 19, 1775 in lexington and concord? a. the american revolutionary war began through fighting between colonial militia and british troops. b. the u. s. constitution was ratified by all colonies. c. the american revolutionary war ended with the surrender of the british to george washington.

A. The American Revolutionary War began through fighting between colonial militia and British troops.

Explanation:

The British were wanting to clamp down on the possibility of insurrection by colonists in the months after the Boston Tea Party (December, 1773). When  British troops marched into Lexington, Massachusetts on April 19, 1775, they were met by colonial militia commanded by Captain John Parker.

There's continued debate about who fired the first shots.  But by the end of the Battle of Lexington and Concord, 73 British troops had been killed and many others wounded.  The American Patriots lost 49 men.  The Revolutionary War had begun.

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explanation: