Historically governments absolutely did need to kill people abroad to exist. The US has fought wars of independence and territory, it's had a war with britain,

Historically governments absolutely did need to kill people abroad to exist. The US has fought wars of independence and territory, it's had a war with britain, canada, and the mexico (spain). It's just that now we have agreed upon turf lines. In other places of the world where no such agreement exists, governments are still killing people.