Which of the following most accurately describes the setting that created the need for antiknock compounds in gasoline and new refrigerants in air conditioners and refrigerators, as described in the video?
a. They were needed to meet the growing demands of American consumerism.
b. They were part of the government's program to provide Americans with technology.
c. They were the outcome of massive deregulation of industry by the American government.
d. They were needed to improve the health of Americans.
