Why won't anyone call them what they are? It's Marxism... they're Marxists all the way down.
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Wars aren't even fought over power anymore. Power can be obtained through other means. It's ideas, and there are three prevailing ideas that carry significant geopolitical influence.
1. American liberty with protections for individual rights
2. Marxism
3. Islam
The first is utterly incompatible with the other two. There are some sects of Islam that are reformist and peaceful, but the largest body, Sharia, is not. And it is not "extremism" or "radical Islam." It is fundamental to the ideology. I think the disagreements between Trump and Mattis come from a lack of each's ability to deal with all of the threats the latter two pose. Trump is focused on here. Mattis is focused abroad. Both have policies that are inadequate.
Then, Marxism almost always fails quickly (read:genocide and famine), but it continues in two locations: the United States and China. China has survived its own ideology through both a semi-privatization of business with a pseudo free market and by seizing the means of production from the US. The ghost of the Soviet Union lives on in American Leftism though the information subversion ("Disinformatika") that has propagated. The Soviets did not foresee how rapidly China would rise nor how quickly they would fall after the space race proved their inferiority and the Bay of Pigs proved that even they were unwilling to destroy the Earth.
I feel I also have to take a moment to point out the obvious: I'm not speaking with regard to individuals who believe in one of these ideals. I'm such a naive
classical liberal that I still refuse to target an individual for their beliefs. I'm worried that I will soon lose that luxury because the Marxists will take it from us through their insistence on control and violence to destroy anyone they deem enemies. Which is everyone but themselves.