Which of the following is not an effect of the the spread of Islam? Conquered peoples could maintain their own religion, but had to pay a poll tax to avoid military duties – created a strong economic base, When Islam expanded, the old trade networks of the Classical Period were revived between Africa and Eurasia,
- Muslims strictly forbid any form of education and all the schools in Muslim control lands were destroyed
- Centers of learning flourished in Cairo, Baghdad and Cordoba in Spain