Choose any supplemental resource video/article and summarize the facts in the chosen article, connect your opinion and/or takeaway. Try to connect the story with some economic event or experience in own life. and then find a relevant story from around you that connects with it.

Articles can be

https://www.forbes.com/sites/csr/2012/08/06/choice-at-the-supermarket-is-our-food-system-the-perfect-oligopoly/?sh=79141677334e

https://hbr.org/2016/11/warren-buffett-is-betting-the-airline-oligopoly-is-here-to-stay

https://www.newyorker.com/tech/annals-of-technology/the-oligopoly-problem