The idea of this thread is to make a list and discuss political problems/issues in One Piece that we can correlate to real world problems/issues. The scope of the problems that we want to discuss, are the ones that correlate to large past/current events in our world. The final goal is to see the deep part of One Piece and how Oda solves or treat these problems (hey, maybe we can use Oda solution to the problems hehe).
In my mind, two issues that are explicit contextualised in One Piece are dispute for the holy land (Skypea) and racism (Fishermans Island). Let's start with the former.
Problem: Dispute of holy land by skypeans and shandorians
Relates to: Dispute of holy land by israelis and palestines
Location: Upper Yard - 神の島(アッパーヤード) - (Kami no Shima,_ literally translated as "Island of God")_
Arc: Jaya
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Interpretation: Soon
PS: Sorry if my grammar is not adequate, English is not my native language.