Questions: To Marx, the wealthy or capitalists were known as the upper class controllers bourgeoisie elites proletarians socialists

The answer is bourgeoisie.

While the bourgeoisie can be considered part of the upper class, the term "upper class controllers" is not the specific term used by Marx.

In Marxist theory, the bourgeoisie is the class that owns the means of production and is considered the wealthy or capitalist class. They are contrasted with the proletariat, who are the working class.

The term "elites" is a more general term and not specifically used by Marx to describe the capitalist class.

Proletarians refer to the working class in Marxist theory, not the wealthy or capitalists.

Socialists are those who advocate for socialism, which is a political and economic theory of social organization. This term does not describe the wealthy or capitalists in Marxist theory.