Which of the following was a problem the progressives tried to eliminate in the early 1900s A. Political corruption
B. High tariffs
C. Low crop yields
D. Environmental pollution

Political corruption

Explanation:

Political corruption or Malpolitics is the use of powers by government officials or their network contacts for illegitimate private gain. Forms of corruption vary, but can include bribery, extortion, cronyism, nepotism, parochialism, patronage, influence peddling, graft, and embezzlement.

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- "schenck v. united states, case in which the u.s. supreme court ruled on march 3, 1919, that the freedom of speech protection afforded in the u.s. constitution's first amendment could be restricted if the words spoken or printed represented to society a “clear and present danger.” "

- speech aimed to potentially create danger could be banned.

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b. she founded a new dynasty that ruled egypt for generations.