Cultural anthropologists investigate the of different groups of people

thoughts, behaviors, and lifeways

Explanation:

Cultural anthropology is one of four areas of general anthropology (four-field-approach), along with physical anthropology (also known as biological anthropology), archeology and linguistics. Cultural Anthropology studies the human cultural diversity of both contemporary and extinct groups. It diverges from social anthropology since the concept of society is broader than that of culture.

i believe 5 is correct answer

i think it was   tsar alexander ii