one who spreads real or alleged scandal about another
Reporters helped the reformers. They wrote newspaper and magazine stories that told people about problems. Called muckrakers, these reporters "raked"—or exposed—the "muck"—dirt and corruption—in business.
the hearing and determination of a dispute by a referee
President Roosevelt stepped in and asked the union and the owners to accept arbitration, in which both sides agree to accept a settlement offered by a neutral party.
careful management of the environment and natural resources
Roosevelt had a lifelong interest in the great outdoors. He believed in the need for conservation, the protection and preservation of natural resources.
unfair treatment of a person or group based on prejudice
Nonwhite, non-Protestant, and non-native residents often faced discrimination—unequal treatment because of their race, religion, ethnic background, or place of birth.