Explore the significant effect of Abu Bakr (RA), the first caliph of Islam, on the spread of Islam after the Prophet Muhammad's death. His leadership during the Ridda Wars helped unify the Muslim community, while his military campaigns initiated the spread of Islam into new territories. Also, his efforts to compile the Qur'an preserved its teachings, laying the groundwork for Islam to evolve into a global religion.


Which religion came first in the world? To reply to that question, we will first discuss different religions and beliefs such as Paganism, Christianity, Judaism, and Hinduism. Then, we will briefly clarify the concept of Islam and its core. We aim at doing a brief comparative study between Islam and other religions to objectively decide which religion came first in the world and which was the first monotheistic religion.