Scientific Essay from the year 2011 in the subject Ethnology / Cultural Anthropology, grade: B+, , course: Anthropology of Development, language: English, abstract: Ethnicity is fundamental issue in human life as 90 percent the world¿s nations are composed of two or more ethnic groups. The action-reaction relationship existed between dominant group and minority groups often negatively affected many nations¿ development in different social, political economic perspective. Ethnic background of a certain population determines cooperative or non-cooperative results of communication as it has been evidently seen that majority of world conflicts are a result of, or related to ethnic issues. Factors eliciting conflict such as collective disadvantage ,lose of political economy and repressions are aspects of ethnicity.The reasons ethnic difference lead to conflict include: A sense of injustice because of resource distribution Economic or political completion Prejudice Discrimination Hostility Unwillingness to interact Ethno centrism Ethnocide Forced assimilation Cultural colonialism Sharp Intolerance comes from the difference of language, skin color, religious beliefs ,customs and gender are among others