Guerera, your argument is fundamentally flawed. The Spanish Civil War is a perfect example of the 20th centuries four main political modes of thought.
On one side was the Left (the Republicans), which was divided into socialists (moderate democratic socialists) and communists (extreme undemocratic socialists). On the other side was the Right (the Nationalists), which were divided into moderate democratic capitalists (and pro-church) and the facists (extreme undemocratic capitalists). The main problems of the modern world have been caused by the extreme non-democrats of either stripe whenever they have seized control from the moderates (with the exception of WWI, which was an act of collective stupidity).

Facism = Corporatism, but Corporatism is only one version of capitalism, just as Stalinism/Maoism = Communism, but Communism is only one version of socialism. Note that I don't talk about small-c communism, which is a nice theory but completely unrealistic.