The one the only, the ever so infamous, Joseph Stalin.
The answer is. <span>Breakup of multi-ethnic nations
Nationalism refers to the sense of pride and superiority of our own home nations compared to others.
In multi-ethnic nations, this type of perspective is really destructive because we put our own ethnic on a baseless pedestal that would only ignite insult and conflict with other ethnicities.</span>
The main reason why policymakers in the Johnson administration wanted to continue U.S. involvement in Vietnam is because they wanted to justify the commitment of the US to the conflict--a commitment that had cost thousands of lives in an effort to contain communism.