What is the most unifying aspect of culture?

Una luce per la vita? Do ninjas wear headbands? What happened to the most of the Seminoles after the second seminole war? Are eskimos and Inuits the same? What do the aborigines wear? Why people wear clothes for protection? How did the Chinese clothes respond to the open door policy? What does nut -brown man mean? What do you know about the Lakota? What people were slaves? What is Lakota word for prayer? What ethnicity is the last name Freeland? How did the Cherokee nation resist removal to the Indian territory? What caste of India is surname of sonowal? Why was it important to Lewis and clark expedition that Sacagawea gets well? In the Iroquois constitution why do the roots of the tree of the great beast spread out in all directions? What ethnicity is Ally Brooke? What did Gordon Allport suggest would be one of the outcomes of close and extensive contact between groups members from minority and majority groups? What are the religious beliefs of the inuit tribes? Where was Apache Kid born?