History Advertising African American college students African American college teachers African American communists African American consumers African American political scientists African American student movements African American universities and colleges Alcoholic beverages Aspect économique Biotic communities Communists Economic aspects Ecosystem management Ecosystems Effect of human beings on Effets de l'homme Écologie humaine Écosystèmes Gestion Gestion des écosystèmes Homme Human ecology Humanökologie Influence sur la nature Male consumers Marketing Mensch Natur