Read the following lines from The Early History of the Airplane.
"The first flight lasted only 12 seconds, a flight very modest compared with that of birds, but it
was nevertheless, the first in the history of the world in which a machine carrying a man had
raised itself by its own power into the air in free flight, had sailed forward on a level course
without reduction of speed, and had finally landed without being wrecked."
Select the correct summary statement.
O The Wright brothers flew.
O The Wright brothers reached their goal of creating the first self-propelled flying machine.
O The Wright brothers share key ideas about flight.
O The Wright brothers flew for twelve seconds without interruption.