Yeah, toilets in American homes tend to rely on a siphon to evacuate the bowl so the outlet has to be narrower. Also, Bidets are not very common so most people [insufficiently] clean themselves with toilet paper which is prone to causing clogs.
Personally, I installed a bidet a few years ago and I would never go back to not having one.
You went to a country with incredibly poor-quality, high fibre ultra-processed food, coupled with medieval-level plumbing, then clogged a toilet and said -
I live in Europe, and somehow my toilet gets blocked every couple of months. Might have to just clean it properly with a spiral, but so far the plunger has always worked.
Just don't be too aggressive. There will be backsplash.