Congress chose his primary staff officers

Congress chose his primary staff officers, including Major General Artemas Ward, Adjutant General Horatio Gates, Major General Charles Lee, Major General Philip Schuyler, Major General Nathanael Greene, Colonel Henry Knox, and Colonel Alexander Hamilton. Washington was impressed by Colonel Benedict Arnold and gave him responsibility for invading Canada. He also engaged French and Indian War compatriot Brigadier General Daniel Morgan. Henry Knox impressed Adams with ordnance knowledge, and Washington promoted him to colonel and chief of artillery.