Yes. If the treaty of versailles was "less strict", there is a possibility of it being prevented
The answer is "Anyone from the Muslim community can interpret the Qur’an and laws and lead the daily prayers."
Sunnis usually practice reading and following the Qur'an. They practice what the Qur'an has taught them and incorporate this into their daily lives.
The main thing that the Puritans, Quakers, and Catholics living in England in the 1600s all had in common was that they were all "religious minorities," since the dominant religion was Protestantism.
Since the countries were becoming industrialized, they needed more and more resources. Since they couldn't have them in their own countries, they had to conquer others. That's why they would make colonies and spread their empires. That way they could take coal or oil or lumber or similar things from the colony and use it for their own purposes. Usually, they would leave nothing to the colony.