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- Representation in Congress (no spatial element to it, or at least not that I've yet observed)
- Women in the House of Representatives
- Review data on the Wikipedia page, specifically the graph by party affiliation, and observe the divergence circa 1992. What caused this? (Hint – among other factors)
- LGBTQ members of the House of Representatives
- Extract data from Wikipedia page, tabulate it by party affiliation (not enough data to be worth graphing), and observe the divergence circa 1996. What caused this? (Hint)
- Women in the House of Representatives