How did Lexington and Concord encourage the Americans to continue with the plan to resist the British?

On the night of April 18, 1775, hundreds of British troops marched from Boston to nearby Concord in order to seize an arms cache. Paul Revere and other riders sounded the alarm, and colonial militiamen began mobilizing to intercept the Redcoat column. A confrontation on the Lexington town green started off the fighting, and soon the British were hastily retreating under intense fire.

the answer is c my brotha. c.   formed an alliance with the soviet union.

where is the passage

i cant solve it without knowing the passage