In this work, Morgan set forth his theory of social evolution.
This has only been accentuated in the course of social evolution.
He proposed that the next step in social evolution would be a return to communism.
We put those people back on a normal course of social evolution.
Equality and freedom are a higher level of social evolution.
We seem to have here an accelerated social evolution, which is encouraged.
Theories of social and cultural evolution are common in modern European thought.
However, they all believed that Western culture is the peak of social evolution.
Other great historical events have their place in social evolution.
Without these other great historical events, social evolution could not have proceeded.