"U.S. Culture and Multiculturalism": A longtime professor in Japan looks back at the U.S. in terms of culture. See this self-explanatory slideshow for Thai and Japanese university participants on what culture is, world cultures and values, and comparative culture. For example, you can see intercultural communication research findings on where the U.S., Japan, and Thailand stand on the cultural dimension of individualism vs. collectivism. The presentation aims for objectivity, so you can draw your own conclusions: https://www.researchgate.net/publication/374143089_US_Culture_and_Multiculturalism
