What was the primary goal of progressives movement

The Progressive Era was a period of widespread social activism and political reform across the United States, from the 1890s to the 1920s. The main objectives of theProgressive movement were eliminating problems caused by industrialization, urbanization, immigration, and corruption in government.

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The sun's parallax would be 180 degrees, greater than which you can't get.  so a. would be your anwser 

Answerstratovolcanoes///near or in the ring of fire;