Ka kammala wannan magana: Wani bincike da aka yi a shekara ta 2016 ya nuna cewa yaƙe-yaƙe na man fetur tatsuniya ce. Ya yi jayayya cewa masu goyon bayan yaƙe-yaƙe na man fetur suna raina ikon kwace da amfani da filayen mai na ƙasashen waje, don haka suna ƙara girman darajar yaƙe-yaƙe na mai. Binciken ya yi nazari kan lamura huɗu da aka saba da su a matsayin yaƙe-yaƙe na mai (harin Japan a kan Dutch East Indies a Yaƙin Duniya na II, Iraki ta
mamayewar Kuwait, yakin Iran da Iraqi, da kuma Chaco War tsakanin Bolivia da Paraguay), gano cewa ikon karin albarkatun mai ba shine babban dalilin tashin hankali a cikin rikice-rikice ba.