5. What publication established the moder concept of communism? The Communist Menifesto by Ked Marx Joseph Stallin's Speeches and Letters Communist Principles by Kaiser Wilhelm The Communist Revolution by Joseph Lenin

## Step 1<br />The question asks us to identify the publication that established the modern concept of communism. The options provided are: The Communist Manifesto by Karl Marx, Joseph Stalin's Speeches and Letters, Communist Principles by Kaiser Wilhelm, and The Communist Revolution by Joseph Lenin.<br /><br />## Step 2<br />The Communist Manifesto, authored by Karl Marx and Friedrich Engels, is widely recognized as the foundational text of modern communism. It was published in 1848 and outlines the principles of communism, including the class struggle, the role of the proletariat, and the abolition of private property.<br /><br />## Step 3<br />The other options, such as Joseph Stalin's Speeches and Letters, Communist Principles by Kaiser Wilhelm, and The Communist Revolution by Joseph Lenin, are not the primary sources that established the modern concept of communism.