Original sentence: By the time John Coleman lifted the "whites only" policy, the park was losing $30,000 a year
Edited sentence: By the time John Coleman lifted the "whites only" policy (in response to a series of protests organized by the NAACP Youth Council in 1963), the park was losing $30,000 a year.The decade of the 1960s was not a kind one for Riverside Amusement Park, which was losing attendance for the first time since the end of World War II