Ruling classes and Ruling class

Ruling class and ruling classes are semantically related. in nobility topic. In some cases you can use "Ruling class" instead a noun phrase "Ruling classes", when it comes to topics like sophistication, aristocracy, management hierarchy, class below nobility.

Ruling class noun - The class of people exerting power or authority.

Ruling classes and ruling class are semantically related. Sometimes you can replace phrase "Ruling classes" with "Ruling class", this phrases are similar.