Here is the video for this topic:
Here are the links:
History of the Olympics:
1 Penn Museum https://www.penn.museum/sites/olympics/olympicorigins.shtml
2 Olympics official website https://www.olympic.org/ancient-olympic-games/history
The info like the motto and rings can be seen on the official website as well
Issue 1- The Economics of Olympics
Brazil: https://www.theguardian.com/global-development/2016/jul/29/students-speak-the-rio-olympics-come-at-a-cost-to-brazils-poorest
General:
1 The economic impact of the Olympics https://www.investopedia.com/articles/markets-economy/092416/what-economic-impact-hosting-olympics.asp
2 A good article on how Olympics influences the host countries
https://www.aperianglobal.com/social-cultural-impacts-hosting-olympic-games/
3 The weirdest cities to host Olympics https://www.marketplace.org/2014/02/06/9-weirdest-cities-have-hosted-olympics-and-why/
TV viewership:
1 TV broadcast rights data https://en.wikipedia.org/wiki/Olympics_on_television
2 TV viewership stats https://www.statista.com/statistics/287966/olympic-games-tv-viewership-worldwide/
3 Decrease in TV viewership https://variety.com/2018/tv/news/2018-winter-olympics-ratings-2-1202710137/
Issue 2-Pandemics and Olympics: can they coexist peacefully?
Zika:
1 Article from the Guardian https://www.theguardian.com/world/2016/may/12/rio-olympics-zika-amir-attaran-public-health-threat
2 But in the end, no new cases during the Olympics https://www.nytimes.com/2016/09/03/health/zika-rio-olympics.html
Delay of current Olympics: https://youtu.be/4yBdudLwncY
Footballer who died from the virus: https://www.mirror.co.uk/news/world-news/coronavirus-footballer-21-youngest-victim-21700420
Issue 3-Doping and Vaporflying
Russia scandal: https://www.nytimes.com/2019/12/09/sports/russia-doping-ban.html
Vaporfly: https://www.washingtonpost.com/sports/2020/02/09/nikes-vaporfly-shoes-changed-running-track-field-world-is-still-sifting-through-fallout/
Or if you prefer a video: https://youtu.be/wVXrIaPuP7c
India’s reason for poor Olympic performance: https://www.bbc.com/news/world-asia-india-36941269
Some small stuffs
Boycotting during the Cold War: https://www.nationalcoldwarexhibition.org/schools-colleges/national-curriculum/social-economic-issues/olympic-boycotts.aspx
A tale of two Koreas
1 for 2018 https://edition.cnn.com/2018/01/17/asia/north-south-korea-olympics-flag-intl/index.html
2 for 2020 https://edition.cnn.com/2018/11/02/sport/north-south-korea-tokyo-2020-olympics-spt-intl/index.html
Independent olympians: https://en.wikipedia.org/wiki/Independent_Olympians_at_the_Olympic_Games
Refugee team: https://timeline.com/no-home-no-team-no-flag-a-history-stateless-athletes-at-the-olympics-ff4966f8f9ea
New vid by Wendover - The logistics of the Tokyo Olympics https://youtu.be/B3FKtBNEBRc