Complex sentence: As a result, Los Angeles experienced a huge wave of migration where the population increased from 6,876 in 1905 to 66,536 in 1927.Most of the population increase came from Mexican immigrants who were escaping the hardships of the Mexican Revolution.
Split into simpler sentences: As a result, Los Angeles experienced a wave of migration where the population increased from 6,876 in 1905 to 66,536 in 1927. The population increase mostly came from Mexican immigrants who were escaping the hardships of the Mexican Revolution.