Generally speaking, it was the "indentured servants" who were considered members of the lower class in colonial society, although shoemakers could be as well, depending on their role in the process.
Answer:
He misjudged power and perspective of key sectors of American industry
Answer:
Thrust and lift are artificially created forces used to overcome the forces of nature and enable an airplane to fly. Airplane engine and propeller combination is designed to produce thrust to overcome drag.
Enjoy your day friend! :D
