this post was submitted on 26 Apr 2026
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[–] RunawayFixer@lemmy.world 3 points 5 days ago

Loads. Indonesia comprises thousands of islands spread out over 5000km, which will have given rise to very different cultures + limited genetic exchange. Indonesia also only became unified for the first time as a Dutch colony in the 20th century, so whatever cultural and genetic blending is going on now, it only started happening relatively recent.

Poland in comparison is much smaller, the only natural barriers are rivers, they've been a nation for a millennium, and they had population expulsions/exchanges after ww2.