Complex sentence: Skaaland served in the U.S. Marines during World War II. After a short-lived attempt to make a living through boxing, he became a professional wrestler and debuted in 1946 as "Arnold Skaaland".
Split into simpler sentences: Skaaland served in the U.S. Marines during World War II. After a short-lived attempt to make a living through boxing, he decided to become a professional wrestler. Skaaland debuted in 1946 as "Arnold Skaaland".