Societies that are cut off from exchanging ideas with outside cultures◻ become more…

➤ Why does lack of cultural exchange often increase ethnocentrism or prejudice?
Limited exposure to different customs and languages reduces empathy and factual knowledge about outsiders. Without diverse contact, stereotypes solidify, and social norms become inward-looking. Education, travel, and trade normally counter these tendencies; their absence raises the risk of xenophobia and rigid social hierarchies.