Answer:
D. Africa and Middle East
Explanation:
Experts and Historians agree that Humans started and developed through the following years in Africa and then Middle East , hope i helped
Answer:
Through effective electronic communication students can establish new friendships and tackle difficult problems from the viewpoint of students from different cultures. Pupils and staff gain first-hand knowledge of other education systems, customs and the reality of life in a country different from their own.
Explanation:
Brahmins; priests
kshatriyas; warriors, rulers
vaisyas; common people
sudras; unskilled workers
pariahs; untouchables
The answer is the one that starts with: to exchange ideas and services.