Human beings fight with people from their own race.
People have disputes, arguments and even go to war with people from their own race.
ーHuman beings fight with people from their own race.
「人間は同じ種族と争う。」
human beings で「人間・人類」
fight with people from their own race「自身の種族からの人々と争う」＝「同じ種族で争う」と言えますね。
ーPeople have disputes, arguments and even go to war with people from their own race.
「人は同じ種族で議論や言い争い、そして戦争まで始める。」
dispute「論争・議論」
argument「口論・言い争い」
war「戦争」
go to war で「戦争を始める・戦争に行く」
ご参考まで！
カナダ 
