Complex sentence: Moore was born in Lobdell, Louisiana, United States, the eldest in an orphaned family, and worked as a longshoreman and construction worker during the late 1930s and early 1940s.
Split into simpler sentences: Moore was born in Lobdell, Louisiana, United States, the eldest child in his family. After his parents died he worked as a longshoreman and construction worker during the late 1930s and early 1940s.