Taxation without representation. Britain was essentially making rules and passing legislature that effected the colonists but the colonists were not allowed representation, or ability to speak their opinion, back in Britain. On top of that, Britain was taxing them on several goods that really accumulated overtime.
The two Germans who developed the economic and political philosophy known as communism are "<span>Marx and Engels", although these ideas quickly spread to Russia, which launched the Revolution of 1917. </span>