I believe the answer is A (correct me if i'm wrong please)
they didn't invite they Africans because they though they were superior to them and the Africans could do nothing about it. The Africans became very upset when their tribal boundaries were replaced with new European boundaries and many civil wars broke out and are still happening today.
The major cause is the poverty which is a consequence of racism and the historical fact that the ruling part of the society since the colonial times has been white. The Mayas and other indigenous people are significantly poorer than the white or mixed population. One way of solving this is a better education for the indigenous population, based on their original language and Spanish, and a better inclusion into the society.
<span>Chinese civilization began along the Yellow River in the Shang era, and spread from there when bronze age culture reached its peak. Then traditional Chinese philosophies, such as Confucianism and Daoism developed in the "feudal Zhou era" as China expanded in territory and population.</span>
The answer to this question is C. Television
hope this helps~