Nationalism socialism was not socialistic.
There is zero socialism in National Socialism.
Adolf Hitler tried to redefine the word socialism.
The United States turned in the direction of Marxism with the election of FDR in 1933, and it only devolved further into parasitism as time went one.
Now the United States is the most powerful Marxist state that has ever existed. It is much, much bigger than the USSR at its heights.
China's Marxist state is even bigger in scope but not yet in international reach.
The United States has been foremost exporter of Marxism since 1945.