Page "Boston campaign" Paragraph 12

Late in May, General Gage received by sea about 2, 000 reinforcements and a trio of generals who would play a vital role in the war: William Howe, John Burgoyne, and Henry Clinton.

They formulated a plan to break out of the city, which was finalized on June 12.

Reports of these plans made their way to the commanders of the besieging forces, who decided that additional defensive steps were necessary.