It may sound weird, but cooking shows can show you the differences between different regions, especially those that focus on specific regions or traditions.
When you are looking at potential merch for your comic, make sure that you ask yourself if it will sell. Please Support the Channel: https://www.patreon.com/twosparrows
Don't worry about if your story is going to be considered "literature"; no one really knows what it is, and it's usually not what you want to be.https://vurbl.com/station/3fwjAzfH9m2/
While you shouldn't be afraid to discuss politics in your writing, don't go overboard: Too much political talk can ruin the story, making it little more than a mere screed.
Any expression of a person's creativity will express things important to that person; as such feel free to talk about politics if it's what you want to talk about.