What effects did trade and technological and scientific advantages have on the culture of africa?

Africa has the world's oldest record of human technological achievement: the oldest stone tools One of the major achievements found in Africa was the advance knowledge of were the first to have discovered and recognized the energizing effect of the coffee bean plant. Most of tropical Africa did not have a cavalry

explanation:

i think it is in quadrant 4.

the five year plans were part of a command economy. there was little choice in what would be emphasized for the current 5 year period.

the answer to democracy or totalitarianism is a bit harder. in stalin's time, russia was totalitarian. now that's not entirely true. putin has moved towards at least the boundary.