The correct answer is C) model T.
The option that revolutionized communication was the model T.
It was Henry Ford -the car genius from Michigan- that invented the Model T, and the affordable automobile to the common citizen. He became so successful with this model. It was first released to the public on October 1, 1908. Its price was $850, a little bit higher for many people but more accessible than other models.
<span>isolation caused the Chinese people to lag behind the world in technological and cultural advancements</span>
Answer: A. The prison population increased four-fold.