Islam migrants ("Muhajirun"), Muhammad in Medina established his political and religious authority. The Constitution of Medina was formulated, instituting a number of rights and responsibilities for the Muslim, Jewish, Christian and pagan communities of Medina, bringing them within the fold of one community—the Ummah. The Constitution established: All the tribes signed the agreement to defend Medina from all external threats and to live in harmony amongst themselves. Within a few years, two battles took place against the Meccan forces: first, the Battle of Badr in 624 – a Muslim victory, and then a year later, when the Meccans returned to Medina,
Battle of the Camel result of rebellion. Marking the second chapter of the First Fitna, the fateful battle ended with victory of Ali and defeat of Ayesha who later apologized for her wrongdoing and was pardoned by Ali. After the murder of Uthman, people in Medina paid allegiance to Ali as the new Muslim caliph. But after allegiance Talhah and Zubair asked Ali for permission to make pilgrimage to Mecca. He granted it and they departed. The Medina people wanted to know Ali’s point of view about war against Muslims, by asking his view about Muawiyah I and his refusal to give Ali his