who was the main author of The ommunist Manifesto that portrayed the entire course of human history as a struggle between the "haves" and the "haves nots"?

Communist Manifesto? - Karl Marx

His coauthor was Friedrich Engels

The main author of The Communist Manifesto, which portrays the struggle between the "haves" and the "have nots," was Karl Marx. To find this answer, you could use various methods such as:

1. Basic knowledge: If you have a general understanding of political ideologies or history, you might already know that Karl Marx is associated with the concept of communism and the authorship of The Communist Manifesto.

2. Internet search engine: You can simply type your question into a search engine like Google or Bing. In this case, you could search for "author of The Communist Manifesto" or "main author of The Communist Manifesto," and the search engine would provide you with the information that Karl Marx is the main author.

3. Research books or scholarly articles: If you prefer a more in-depth approach, you can consult books or scholarly articles related to political theory, Marxism, or the history of communism. These sources will provide you with detailed information about the authors and the ideas presented in The Communist Manifesto.