Why did Muhammad move from Mecca to Medina?

Muhammad's revelations are recorded in Islam's holy book, which is called the

How did Islam help to unite the various Arab tribes?

This group believes only descendants of Muhammad should be caliph (Muhammad's successor as leader of the Islamic community)

This group believes any qualified Muslim leader may be caliph

This group makes up the majority of Muslim believers in the world.

This group believes in the Quran as the holy book of Islam

True or False: Islam spread only among the Arab peoples of Southwest Asia

True or False: Christians and Jews were usually allowed to continue practicing their own believes during the early Islamic empires.

True or False: Few non-Arabs ever converted to Islam.

Which TWO nearby empires were in decline at the same time Islamic civilization began to flourish?

How was geographical location essential to the success of Islamic civilization?

What was the importance of the city of Baghdad?

Which animal helped Muslim traders and missionaries spread their goods and beliefs across the deserts and well beyond the borders of their empire?