2 is C or Abc of the Indus Civilization and Egyptian civilization breakthrough 3 is b or A
Answer: Savvana and Grasslands
Explanation: Image result for Most of Africa is made up of
Savannas, or grasslands, cover almost half of Africa, more than 13 million square kilometers (5 million square miles). These grasslands make up most of central Africa, beginning south of the Sahara and the Sahel and ending north of the continents southern tip.
Can I get Brainliest
The answer is D because answers A, B, and C are simply spreading American culture throughout America, thats not cultural diffusion by any means.
