Which of the following language families originated in the caucasus and ural regions? a. afro-asiatic b. sino-tibetan c. austro-asiatic d. indo-european

D.  Indo-European

Explanation:

With the name of Indo-European languages is known the largest family of languages in the world in number of speakers. The Indo-European family, to which most of the languages of Europe and South Asia belong, includes more than 150 languages spoken by around 3200 million people (approximately 45% of the world population), of which about 1200 million they correspond to speakers of the Indo-Iranian languages and about 950 million speakers of the Romance languages.

a

explanation:

not sure might be he acquired the entire oregon territory from great britain