The second part of our campaign finance history starts with both a scandal and reform linked to Theodore Roosevelt, and carries through to more recent Supreme Court rulings. 
Research:

Bedard, Paul. “George Washington Plied Voters with Booze.” USNews and World Report. Nov. 8, 2011. https://www.usnews.com/news/blogs/washington-whispers/2011/11/08/george-washington-plied-voters-with-booze
Blakemore, Erin. “Elections in Colonial America Were Huge, Booze-Fueled Parties.” History.com. Nov. 25, 2019. https://www.history.com/news/colonial-america-election-day-parties
R. Brunson, “Swartwout, Samuel,” Texas State Historical Association. Handbook of Texas Online. https://www.tshaonline.org/handbook/entries/swartwout-samuel.
“Buckley v. Valeo.” Federal Election Commission. https://www.fec.gov/legal-resources/court-cases/buckley-v-valeo
“Court Decision Stirs Up Fuss.” The Spokesman Review. April 4, 1944. https://www.newspapers.com/image/569336879/?terms=Lonnie%20E.%20Smith%20&match=1
“Did You Know... Samuel Swartwout Skimmed Staggering Sums?” U.S. Customs and Border Protection. https://www.cbp.gov/about/history/did-you-know/samuel-swartwout
Dunbar, John. “A Modern history of campaign finance: from Watergate to ‘Citizens United.’” The Center for Public Integrity. Nov. 15, 2017. https://publicintegrity.org/politics/a-modern-history-of-campaign-finance-from-watergate-to-citizens-united/
“Appendix 4 -- The Federal Election Campaign Laws:A Short History.” FEC. https://transition.fec.gov/info/appfour.htm#anchor616480
Encyclopedia of Detroit. “NEWBERRY, TRUMAN HANDY.” https://detroithistorical.org/learn/encyclopedia-of-detroit/newberry-truman-handy
Fair Political Practices Commission. “Use of Campaign Funds.” Campaign Manual. June 2020. https://www.fppc.ca.gov/content/dam/fppc/NS-Documents/TAD/Campaign%20Manuals/Manual_4/Manual_4_Ch_7_Use_of_Campaign_Funds.pdf
Fuller, Jame. “From George Washington to Shaun McCutcheon: A brief-ish history of campaign finance reform.” The Washington Post. April 3, 2014. https://www.washingtonpost.com/news/the-fix/wp/2014/04/03/a-history-of-campaign-finance-reform-from-george-washington-to-shaun-mccutcheon/
Supreme Court of the United States. “Citizens United v. Federal Election Commission.” October 2009. https://www.documentcloud.org/documents/4163268-Citizens-United-v-FEC-Decision.html
“Washington City, May 19, 1840.” The Baltimore Sun. May 21, 1840. https://www.newspapers.com/image/364961740/?terms=%22bill%20to%20secure%20the%20freedom%20of%20elections%22&match=1
Grizzard, Frank E. “George Washington: A Biographical Companion.” ABC-CLIO 2022.
Hinnershitz, Stephanie, PhD. “The Smith–Connally Act and Labor Battles on the Home Front.” The National WWII Museum. June 22, 2023. https://www.nationalww2museum.org/war/articles/smith-connally-act-and-labor-battles-home-front
“House of Burgesses.” George Washington’s Mount Vernon. https://www.mountvernon.org/george-washington/house-of-burgesses/
Lau, Tim. “Citizens United Explained.” Brennan Center for Justice. Dec. 12, 2019. https://www.brennancenter.org/our-work/research-reports/citizens-united-explained
“McConnell v. FEC.” Federal Election Commission United States of America. https://www.fec.gov/legal-resources/court-cases/mcconnell-v-fec/
“Mark Hanna and the 1896 Election.” United States Senate. https://www.senate.gov/artandhistory/history/minute/Hanna_1896Election.htm#:~:text=At%20age%2015%20he%20moved,coal%2C%20iron%2C%20and%20steel.
“Money-in-politics Timeline.” Open Secrets. https://www.opensecrets.org/resources/learn/timeline
“Mr. Crittenden’s Speech.” Hartfor Courant. Feb. 14, 1839. https://www.newspapers.com/image/369520711/?terms=%22crittenden%22&match=1
Mutch, R. (2002). “The First Federal Campaign Finance Bills.” Journal of Policy History,14(1), 30-48. doi:10.1353/jph.2002.0004
Lewis, Charles. “Was campaign finance an issue in George Washington’s day?” Investigative Reporting Workshop. Sept. 27, 2021. https://investigativereportingworkshop.org/news/was-cam