Question

how did lydia darragh help the american revolution?

Explanation:

Lydia Darragh was a spy. She eavesdropped on British officers quartered in her Philadelphia home during the American - British occupation of the city in 1777 - 1778. She then secretly relayed the information about a planned British attack to the Continental Army, which helped the Americans prepare and avoid potential disaster.

Answer:

She acted as a spy, eavesdropping on British officers and relaying important military information to the Continental Army.