Sierra Leone.
D000349:Africa; D017954:Africa South of the Sahara; D000354:Africa, Western; D000383:Agriculture; D000569:Americas; D003132:Commerce; D003247:Conservation of Natural Resources; D003469:Culture; D003710:Demography; D003906:Developing Countries; D004467:Economics; D005006:Ethnicity; D005843:Geography; D007221:Industry; D008017:Life Expectancy; D008136:Longevity; D009656:North America; D011056:Political Systems; D011057:Politics; D011153:Population; D011154:Population Characteristics; D011156:Population Density; D011157:Population Dynamics; D011158:Population Growth; D012807:Sierra Leone; D012939:Social Planning; D014481:United States
Africa; Africa South Of The Sahara; Agriculture; Americas; Commerce; Cultural Background; Demographic Factors; Developing Countries; Development Planning; Economic Development; Economic Factors; English Speaking Africa; Ethnic Groups; Geographic Factors; Industry; Length Of Life; Life Expectancy; Macroeconomic Factors; Natural Resources; North America; Northern America; Political Factors; Political Systems; Population; Population Characteristics; Population Dynamics; Population Growth; Population Size; Sierra Leone--history; Spatial Distribution; United States; Western Africa