The Mississippians were a native American culture that inhabited the Mississipi River Valley and surrounding areas from 9th till 16th century. Their culture was unique in that they created Mounds, that is man-made hills, many of them are still existing today.
Actually already this: living next to the sea already encourages this; as sea offers easy transportation and food source: one only needs to catch the fish, and does not need to tend to them throughout their life. And Greeks live on Islands and Peninsulas so they have a very easy access to the sea.
Answer:
According to social comparison theory, Barbara appears to have engaged in downward comparison.
Explanation:
According to Leon Festinger's Theory of Social Comparison, we commonly compare ourselves to people who are similar to us. We do that with the purpose of making accurate self-evaluations. However, a type of comparison known as downward comparison happens when we do not look at those who are similar to us. Instead, we compare ourselves to people who are in an inferior, more unfortunate position. That is a way we find to feel better about ourselves. This is what Barbara has done. She only knows the grades of two other classmates - one did better, one did worse than she did. Yet, she has chosen to think she has done really well relative to others in the class. Barbara has clearly chosen to ignore the one got an A, comparing herself to the one who got a C.