[Lukasz]

but those countries most strongly influenced by the Enlightenment were the ones that stood most strongly against communism in the 20th century.

Please name these countries.

[Arguendo]

The United States, for one. But as a whole, the Western world—the region that clearly adopted Enlightenment thinking—was the only one that unambiguously rejected communism, while Asia and Eastern Europe accepted it, South America went back and forth, and even Catholic Southern Europe produced strong communist movements.