Explore current and historical political parties, map party control, and learn about polarization.
The Senate's attempt to repeal the Affordable Care Act narrowly failed due to a surprise defection by Sen. John McCain
Visualize the 117th Senate and its members, and compare it with past congresses
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The Gold Standard Act of 1900 ended the decades-running debate over bimetalism and restored the U.S. to 'gold standard' currency -- the system lasted until 1971