drew the line of demarcation for this reason.

Pope
In 1493, the Pope drew a line on the globe cutting the New World in half. This line was known as the Line of Demarcation. Any territory discovered on the east side of the line was to be controlled by Portugal, while any lands found on the west side of the line were to be ruled over by Spain.

Africans learned what the europeans wanted them to learn. instead of learning about african history and current information that could and would them they learned solely what europe wanted them to. and not everyone received the same education, some received better and others none.