The battle of Tours united Christians against Islamic expansion and this among the following events allowed Christianity to act as a unifying force in Medieval Europe. The correct option among all the options given in the question is the last option or option "d".
Answer:
What were the "cures" they had?
what were the early stages of the disease?
How was it spread?
Answer:
freedom to practice any religion of your choice or no religion at all
Explanation: yeah freedom to practice any religion of your choice or no religion at all is in the constitution