One impact of the Bantu migrations shown above during the post-Classical time period can be seen in A) how Africa's political structure evolved due to Bantu influence. B) the language Swahili being spoken along the eastern coast of Africa. C) Bantu economic practices of using silver became the standard throughout much of Sub-Saharan Africa D) the Bantu religion combining with Islam to create a syncretic blending that spread throughout the continent

One impact of the Bantu migrations shown above during the post-Classical time period can be seen in A) how Africa's political structure evolved due to Bantu influence.

Explanation:

The spread of the Iron Age tools and tools on a large part of the continent is associated namely with the Bantu. Bantu were highly organized peoples with a developed social hierarchy and leaders, and namely they gave rise to the first state formations in the south of the African continent. Moving south, the Bantu occupied the convenient forest steppes of South Africa, where, engaged in cattle breeding and agriculture, they transferred their type of economy to the Hottentots.

i believe the answer would be 1.

a. theta waves. this is because the person is in a light sleep which means the brain waves would show these kind of waves.