B.
Slaves came from Africa.
Religion teachings could be an answer but "B" would make more sense. Also, books came from printing presses... A "manufactured good."
Used by the Person with people being able to know that they are using them
Answer:
well developed trade routes linked the peoples and products of Africa, Asia, and Europe. Europeans played a minor role in the Afro-Eurasian trading world because they did not produce many products desired by Eastern elites.
Explanation: