1881- Jacob Riis publishes How the Other Half Lives, detailing tenement life.

1904- Ida Tarbell publishes articles criticizing Standard Oil Company.

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1914- Edwin Markham publishes Children in Bondage, an exposé of child labor.
Which choice fits in the blank in this Progressive Era timeline?

A) 1903- Helen Hunt Jackson publishes regarding treatment of Native Americans
B) 1906- Upton Sinclair publishes The Jungle, criticizing the working conditions in the U. S. meat processing industry
C) 1912- Theodore Roosevelt Publishes The Square Deal in which he addresses problems in the treatment of American unions
D) 1912- Sir Arthur Conan Doyle publishes The Lost World showing the deforestation of the rain forests.