The first reason is that there were missionaries going throughout the world and teaching about Islam. There were people who were devoted to Islam who spread the faith without battle. They taught about holy scripture and Allah, the monotheistic god of Islam. In source #10 it states that there was a man named Abu'l Barakat and he was from Western Arabia. He traveled all the way to the Maldives islands to help the people from the specter every month. He also converted the King into Islam.
The second point is that Muslim leaders have made agreements with Christian leaders. The agreements with Christian leaders helped Islam spread throughout Christian lands. People who also lived in those Christian lands would sometimes convert into Islam due to learning about Islam through these agreements. In source #4 and #6 it states that there was an agreement …show more content…
The Quran was the same everywhere, due to Uthman destroying every other copy of the Quran except the official one. Since everyone was reading the same book, the foundation of Islam was strong. It became easily recognizable around the world, and that's why Islam expanded even more. They also had important scripture that would persuade people to convert to Islam. In source #10 it states the Western Arabs were reading a Quran. The people who watched him were inspired by him memorizing it and never losing focus while reading it. He also convinced the king to become Muslim by mentioning Allah and phrases from the