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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no statements but ok.

the statement that best describes the idea of manifest destiny that was used in the 19th century would be that "it was fate that the united states would continue to  expand westward," since people thought the us was "destined" to do so. 

the space race was a battle to make advanced technology to get to the moon and to get a better understanding of space.