It is the A and if you have any doubts do not hesitate to consult it.
It is B, Because Chicago was still a well populated area.
Answer:
The Battles of Lexington and Concord, fought on April 19, 1775, kicked off the American Revolutionary War (1775-83). On the night of April 18, 1775, hundreds of British troops marched from Boston to nearby Concord in order to seize an arms cache
Explanation: