cultivated
131Agriculture in Sudan — In the early 1990s, agriculture and livestock raising were the main sources of livelihood in Sudan for about 61 percent of the working population. cite web|url=http://lcweb2.loc.gov/cgi bin/query/D?cstdy:4:./temp/ frd htX5::|title=Agriculture,… …
132Europe, history of — Introduction history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… …
