Original sentence: Tourist activity focuses on scuba diving and snorkeling in the islands' rich marine environment, including its barrier reefs walls and world war II wrecks  The government is the major employer of the work force, relying heavily on financial assistance from the US
Edited sentence: Tourist activity focuses on scuba diving and snorkeling in the islands' rich marine environment, including its barrier reefs walls and World War II wrecks  The government is the major employer of the work force, relying heavily on financial assistance from the US