Pragmalinguistics ; Interference (pragm.) ; Pragmatics, contrastive; Pragmatik, kontrastive; Contrastive pragmatics ; Ethnopragmatik; Ethnopragmatics; Culture-specific communication ; Bitte; Request ; Comparison ; Second language acquisition (pragm.) ; Zweitspracherwerb (pragm.) ; Interactionist hypothesis (second language acquisition) ; Conversational analysis (second language acquisition) ; Second language acquisition (psycholing.) ; Transfer (second language acquisition) ; Transfer (Zweitspracherwerb) ; Cross-linguistic influence (second language acquisition) ; Interference (second language acquisition) ; English (American) ; USA (English language in the) ; USA (engl. Sprache in den) ; English in the USA; Englisch in den USA; American English ; Korean