Donald Trump now does), it is one of history's great claims of a universal truth.This idea can also be found in the UN's Universal Declaration of Human Rights.
It amounts to a statement that yes, some rights are for everyone. They're basic.Can we really forge consensus? Realistically, that's hard.It would seem clear that Nazi Germany should not have been allowed to exterminate Jews—and gays, Roma and others—in death camps with showers spewing Zyklon B.
Still, it took the world never intervened. The killing only stopped as Allied forces discovered the camps one by one. If not for the Japanese attack on Pearl Harbor, the United States might have basically let it slide.
Sad, but true.But not all interference requires war. There is a difference between compelling other countries to stop abominable behavior and persuasion by the application of whatever leverage may be available.There is no reason of principle not to.