Social activists Agriculture 4 !Kung 3 Cultural change and history 3 Ju/'hoansi 3 Colonialism 2 Cultural identity 2 Politics 2 Rural population 2 Stereotypes 2 Tribal and national groups 2 Water supply 2 American 1 Andean 1 Aymara 1 Economic development 1 Feminism 1 Human body 1 In-group conflicts 1 Indian 1 Land redistribution 1 Obesity 1 Racism 1 Social classes 1 Wages and salaries 1 Women 1 Women's rights 1