spectacle (1) région (1) point (1) Dynamics (1) Language (1) Ethnohistory (1) Societies (1) Population genetics (1) Population (1) Orators (1) Linguistics (1) Lecturers (1) Language and languages--Variation (1) Language and languages (1) Home (1) Families (1) Evidence (1) Europeans (1) Ethnology (1) Dynamics (1) Diglossia (Linguistics) (1) Code switching (Linguistics) (1) Amazon River Valley (1) Amazon River Region (1) Use (1) Languages (1) Speakers (1) Relations (1) Population (1) pointe (1)