Sociolinguistics ; Linguistic imperialism; Globalisierung; Globalization; Transnationalization; Colonialism/Globalization ; Amtssprache; Official language; National language ; Sprachenpolitik; Language management; Language politics ; History of language ; Bilingual education ; Language variation/Dialectology ; Regional language ; Other varieties of English ; Singapur (engl. Sprache in) ; Singapore (English language in) ; Singlish; English in Singapore ; Mandarin; Kantonesisch; Cantonese; Putonghua; Sinitic; Hakka; Yue; Chinese