3. What elements did the Russian inventor Kulibin use for the first time in his vehicle?
a) brakes, rollers, gearbox
b) tires, carburetor
c) steering wheel
4. Did the progress of motor cars meet with great opposition?
a) everyone was happy
b) everyone was scared
c) motor cars were outlawed
5. What was the Red Flag Act?
a) the cars should be decorated with red flags
b) a man with a red flag had to walk in front of the steam-driven vehicle
c) the streets for passing cars should be decorated with red flags