Original sentence: The Columbus metropolitan area has experienced several waves of immigration in the 20th century and into the 21st, including groups from mainland China, Europe, Taiwan, Vietnam, Russia, Japan, Somalia, India, and ongoing immigration from Mexico and other Latin American countries
Edited sentence: The Columbus metropolitan area has experienced several waves of immigration in the 20th century and into the 21st, including groups from China, Europe, Taiwan, Vietnam, Russia, Japan, Somalia, India, and ongoing immigration from Mexico and other Latin American countries