Why did Islam spread so fast?

Which of the following best summarizes The Ordinances of Government?

Islam spread quickly because its lands were well governed and orderly. The rulers of Islamic lands were expected to rule their land fairly and some of their methods are very similar to ideas in the US government today.

Which of the following best summarizes the map Military Campaigns 622-750?

Islam spread quickly because its leaders conquered surrounding territories. As Muhammad and the Muslim leaders that came after him conquered lands in the Middle East and beyond they spread the teachings of Islam.

Which of the following best summarizes the Account of the Battle of Hims?

Islam spread quickly because its leaders treated newly conquered people well. As the very powerful army would conquer new lands some of the people would welcome Muslim rule because they dislike their former rulers.

Which of the following best summarizes the map Middle East Trade Routes, 570 CE?

Islam spread quickly because of trade. Before the birth of Islam, Mecca was a major trade center and since Islam began in Mecca, its message spread quickly along the trade routes

Which of the following best summarizes the Verses from the Qur'an?

Islam spread quickly because the Koran has positive messages. Many people were willing to convert to Islam because of messages like people who do what is right will be rewarded, and human life and personal property were to be valued and respected.

Which of the following best explains a cultural diffusion "trigger"?

Something that starts or causes the mixing of cultural components