Roaring 20's Automobile Industry

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Across
  1. 2. what was put into action to pay for the roads
  2. 6. Ford cars came in mostly what color
  3. 7. a place on the long roads that people could stop and get oil, food, and maps
Down
  1. 1. what was one of the smaller businesses that benefited from the high demand of cars
  2. 3. a series of workers that each had a specific job in the line of assembling the car
  3. 4. who was made the assembly line in the 1920's
  4. 5. what type of material was determined best for cars to drive on