14/29 He seized and held Dorchester Heights. The British could no longer stay in Boston. They went on board their ships and sailed away (March, 1776). Invasion of Canada, 1775-76 .-- While the siege of Boston was going on, the Americans undertook the invasion of Canada. There were very few regular soldiers in Canada in 1775, and the Canadians were not likely to fight very hard for their British masters. |