One of the main similarities is that democracy is still being used.
The answer is c. It was founded and named after William Penn.
Oligarchy Is a group of tyrants so to speak.
Answer: athletic performance
This is the ONLY topic that is not studied cross-culturally by psychologists. Because the other three topics vary between cultures, they are studied and compared by psychologists. By doing this, psychologists can find the most effective methods by each culture to construct a method to best solve issue within those areas. Hope this helps!