The Bantu language family, comprising hundreds of related languages spoken across central, eastern, and southern Africa, descends from a common ancestral language whose homeland linguists place in the region of present-day Cameroon. The expansion of Bantu speakers across the continent, beginning roughly 3,000 years ago, brought iron-working technology and certain agricultural practices into regions where these had not previously been documented.
Based on the passage, which inference is most strongly supported?
- Acheck_circle
The spread of related languages can serve as evidence of broader historical processes including technology transfer
- B
All African languages descend from a single ancestor
- C
Iron-working technology spread independently of any human migration
- D
Bantu languages are unrelated to one another
Explanation
Co-spread of language family, ironworking, and agriculture supports A. B, C, D contradict the passage.