 Complete the following phrase:  When the American Revolution began in April 1775 Paterson was commissioned as a colonel by the Massachusetts Committee of Safety, and he marched with his militia unit to take part in the Siege of Boston. Patersons command, the 1st Massachusetts Regiment saw action at the Battle of Bunker Hill. After the British evacuation of Boston, Patersons regiment took part in the Invasion of Canada and the battles of Trenton and 