Four pairs of mental features are singled out and characterized: constructive similarities, destructive similarities, constructive differences, destructive differences. Constructive similarities and differences cause the integration of the society, while destructive similarities and differences lead to its disintegration. To increase the attraction between any individual or group subjects, we must increase constructive similarities and constructive differences, reduce destructive similarities

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... d destructive differences. The most important tendency for mankind to form general civilization solidarity on the basis of constructive similarity was discovered and described.