This document discusses social diversity and its relationship to democracy. It begins by outlining different social identities like religion, language, class, etc. that people use to identify themselves. It then distinguishes between social differences based on birth versus personal choices. Cross-cutting social differences, where groups tolerate each other, are easier for democracies to accommodate than overlapping differences that create deep divisions. The document analyzes examples like Northern Ireland and former Yugoslavia to show how politics can both accommodate and exacerbate social tensions, depending on people's perceptions of their identities, political leaders' stances, and government responses. Overall, it argues that while political expression of social divisions is normal in democracies, positive attitudes and willingness to