The use of labor-saving devices in industry and agriculture. So b is the correct answer
Answer:
Lots of people living close together.
Explanation:
George Washington was appointed as the Supreme Commander of the Continental Army.
Prior to this meeting, Goerge washington has established himself as the commander<span> for the British army in the French and Indian War of 1754. During that meeting, George Washington received unanimous votes from all members of the Congress to be the </span> Supreme Commander of the Continental Army.
fight for the lords, land and military protection