How did Lincoln Steffens help expose the corruption of machine politics?

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During nine years of New York City newspaper work ending in 1901, Steffens discovered abundant evidence of the corruption of politicians by businessmen seeking special privileges. ... With Ida Tarbell and others Steffens cofounded The American Magazine in 1906. Many nationwide lecture tours won Steffens recognition

During nine years of New York City newspaper work ending in 1901, Steffens discovered abundant evidence of the corruption of politicians by businessmen seeking special privileges. ... With Ida Tarbell and others Steffens cofounded The American Magazine in 1906. Many nationwide lecture tours won Steffens recognition.

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