Although the First Commercial Television Transmission Occurred in 1939, Why

Although the first commercial television transmission occurred in 1939, why was it not until the early 1950s that television really took off with the American public?

A) American entrepreneurs were more concerned with containing communism.
B) The high rise in prices after World War II made it too expensive to afford televisions.
C) World War II slowed down the production of televisions.
D) The railroad strikes of the late 1940s hampered the growth of television production.