An example of cultural diffusion with negative effects would be the spread of diseases, like AIDS , Bubonic Plague and Smallpox. Christianity started in Israel and has spread all over the world. An example of forced diffusion is the Afghans forcing the Nuristanis to convert to Islam.
The most suitable answer to this question is "C. <span>Most cowboys were large ranch owners from Texas or Oklahoma." It has come because of definition of word cowboy.</span>
This is of course a fairly subjective question, but it could be argued that no single society is in a golden age because almost all societies are so interconnected.