Socialism was merely the armature on which the 20th century's worst dictators hung their rationale for power. In previous centuries it was catholicism, or nationalism.
In other words, it wasn't socialism. If Marx had never been born there would have been just as much bloodshed, but the rationale would have been different.
One could see the American Revolution as interpreted by Marx, as an inevitable economic revolution.
One could see the American Revolution as interpreted by Marx, as an inevitable economic revolution.