"The Communists are distinguished from the other working-class parties by this only:
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In the national struggles of the proletarians of the different countries, they point out and bring to the front the common interests of the entire proletariat, independently of all nationality
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In the various stages of development which the struggle of the working class against the bourgeoisie has to pass through, they always and everywhere represent the interests of the movement as a whole."
(https://www.marxists.org/archive/marx/works/1848/communist-manifesto/ch02.htm)
So you disagree with Marx that communists should “point out and bring to the front the common interests of the entire proletariat, independently of all nationality?” It’s like a basic principle of proletarian internationalism.
America is currently the strongest capitalist nation, although as you point out and as evidenced by the military failures, US imperialism has been on the decline in relative strength as the US loses ground economically. The vacuum from that relative decline is taken up by other imperialist powers, and capitalism marches on on the backs of the international working class.
