Question: "Alabama Jubilee" is a song written by George L. Cobb and Jack Yellen, the most popular versions of the song were Clyde Julian Foley, a 1951 version (#3 country, #28 pop), is known professionally as Red Foley, was an American singer, musician, and radio and TV personality, who made a major contribution to the growth of country music, after which event?
Sentence (from "Red Foley"): Clyde Julian Foley (June 17, 1910 – September 19, 1968), known professionally as Red Foley, was an American singer, musician, and radio and TV personality who made a major contribution to the growth of country music after World War II.
Relevant evidence: Yes