oast,whereitcametobeusedinofficialrecords,ountoftradecontacts.Bythe19thcentury,Europeansettlersandtheopeningofregularschoolsthreatenedthisoncewidespreadinformaljargon.AsaninstinctiveadaptationofabasicItalian/SpanishlexicontoasimplifiedArabicsyntax,asionallyappeareventoday.4.ExamplesofLinguaFrancaLatinandGreekwerethelinguafrancasoftheRomanempire;Akkadian,andthenAramaic,monlanguagesofalargepartofWesternAsiathroughseveralearlierempires.Incertaincountriesthelinguafrancaisalsousedasthenationallanguage;e.g.,UrduisthelinguafrancaofPakistanaswellasthenationallanguageExamplesoflinguafrancasremainnumerous,andexistoneverycontinent.Themostobviousexampleasoftheearly21stcenturyisEnglish.Therearemanyotherlinguafrancascentralizedonparticularregions,suchasArabic,Chinese,French,Portuguese,RussianandSpanish.
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