The core component of fascism is authoritarianism with totalitarian goals. Many nationalist movements throughout history have not been fascist in nature, and many non-fascists have embraced nationalist values without becoming fascists.
Also, claiming that a rise of fascism is inevitable under social liberalism is speculation at best.
90% of the time if I ask for help on forums the answer will be one of three things:
Completely absent
Just google it scrub lmao (nevermind the fact that search has gone to shit)
Doesn’t actually answer the question