Which of the following political theorists and philosophers was in favor of capitalism

Out of the given options, Adam Smith was the only political theorist and philosopher who was in favor of capitalism.

Explanation:

Adam Smith, a 'Scottish philosopher and economist', is regarded as the 'father of capitalism'. Adam Smith was recognizably the first to speak about the potential of a free trade market. He believed that it was only through capitalism the prosperity would come. Karl Marx, Jean Jacques Rousseau, and John Locke were socialists, not capitalists.