"Legal aspects." . . "Economic aspects." . . "Democracy." . . "Nigeria." . . "Social aspects." . . "State." . . . . "Nigeria" . . "Nigeria." . "Political parties." . . "Local government." . . "Rural development." . . "Since 1960" . . "Politischer Wandel." . . "Civil service." . . . . . . . . . . . . . "Transition politics in Nigeria, 1970 - 1999" . . . . . "Transition politics in Nigeria, 1970-1999" . . "Transition politics in Nigeria, 1970-1999"@en . . . . . . . . . . . . . "Political history." . . "Political development." . .