Its called <em>organic solidarity</em>.
Answer:
The sociological significance is that the classification into dominant and minority groups allows the sociology to have an insight into the power relations that configurate the particular society he or she is studying. Besides, it is well known in sociology that aspects like class, power, and the economy are some of the most important to understand any society from an academic point of view.
Answer:
c. the Americans were more interdependent than the Japanese
Explanation:
American students tends to be more interdependent than the Japanese students as researched by Kleinknecht and colleagues (Kleinknecht, Dinnel, Kleinknecht, Hiruma, & Harada) in 1997.