What separates humans from the rest of the animals on this earth is the ability to hold two contradictory opinions on the same subject at the same time. This ability allows us to conceive of things that do not currently exist. It is the foundation of science and technology. However it is easy for individuals to exploit other people with.
The government uses this phenomenon to convince everyone that the US Military is out protecting the world from tyranny when in fact it is the exact opposite. The US Government is the greatest purveyor of violence in the world today today and uses the military as thugs for the interests of the corporate elite.
When we buy into these propaganda messages we actually enable more death and destruction through out the world.