The bottle is now labeled libertarianism. But its content is nothing new; it is what in the nineteenth century, and up to the time of Franklin Roosevelt, was called liberalism — the advocacy of limited government and a free economy.
There is a growing division among libertarians regarding the relationship between our fervent commitment to anti-statism and other principles we might hold regarding social and cultural issues.
Since at least as early as the eighteen century, classical liberalism, and its modern variant libertarianism, have opposed warfare except in cases of obvious self-defense.