Muhammad conflict expeditions of Muhammad
Conflict with Mecca
The Meccans were eager to avenge their defeat. To maintain economic prosperity, the Meccans needed to restore their prestige, which had been reduced at Badr. In the ensuing months, the Meccans sent ambush parties to Medina while Muhammad led expeditions against tribes allied with Mecca and sent raiders onto a Meccan caravan. Abu Sufyan gathered an army of 3000 men and set out for an attack on Medina.A scout alerted Muhammad of the Meccan army's presence and numbers a day later. The next morning, at the Muslim conference of war, a dispute arose over how best to repel the Meccans. Muhammad and many senior figures suggested it would be safer to fight within Medina and take advantage of the heavily fortified strongholds. Younger Muslims argued that the Meccans were destroying crops, and huddling in the strongholds would destroy Muslim prestige. Muhammad eventually conceded to the younger Muslims and readied the Muslim force for battle. Muhammad led his force outside to the mountain of Uhud (the location of the Meccan camp) and fought the Battle of Uhud on 23 March 625. Although the Muslim army had the advantage in early encounters, lack of discipline on the part of strategically placed archers led to a Muslim defeat; 75 Muslims were killed, including Hamza, Muhammad's uncle who became one of the best known martyrs in the Muslim tradition. The Meccans did not pursue the Muslims; instead, they marched back to Mecca declaring victory. The announcement is probably because Muhammad was wounded and thought dead. When they discovered that Muhammad lived, the Meccans did not return due to false information about new forces coming to his aid. The attack had failed to achieve their aim of completely destroying the Muslims. The Muslims buried the dead and returned to Medina that evening. Questions accumulated about the reasons for the loss; Muhammad delivered Quranic verses 3:152 indicating that the defeat was twofold: partly a punishment for disobedience, partly a test for steadfastness.Abu Sufyan directed his effort towards another attack on Medina. He gained support from the nomadic tribes to the north and east of Medina; using propaganda about Muhammad's weakness, promises of booty, memories of Quraysh prestige and through bribery. Muhammad's new policy was to prevent alliances against him. Whenever alliances against Medina were formed, he sent out expeditions to break them up. Muhammad heard of men massing with hostile intentions against Medina, and reacted in a severe manner. One example is the assassination of Ka'b ibn al-Ashraf, a chieftain of the Jewish tribe of Banu Nadir. Al-Ashraf went to Mecca and wrote poems that roused the Meccans' grief, anger and desire for revenge after the Battle of Badr. Around a year later, Muhammad expelled the Banu Nadir from Medina forcing their emigration to Syria; he allowed them to take some possessions, as he was unable to subdue the Banu Nadir in their strongholds. The rest of their property was claimed by Muhammad in the name of God as it was not gained with bloodshed. Muhammad surprised various Arab tribes, individually, with overwhelming force, causing his enemies to unite to annihilate him. Muhammad's attempts to prevent a confederation against him were unsuccessful, though he was able to increase his own forces and stopped many potential tribes from joining his enemies.Battle of the Trench
With the help of the exiled Banu Nadir, the Quraysh military leader Abu Sufyan mustered a force of 10,000 men. Muhammad prepared a force of about 3,000 men and adopted a form of defense unknown in Arabia at that time; the Muslims dug a trench wherever Medina lay open to cavalry attack. The idea is credited to a Persian convert to Islam, Salman the Persian. The siege of Medina began on 31 March 627 and lasted two weeks. Abu Sufyan's troops were unprepared for the fortifications, and after an ineffectual siege, the coalition decided to return home. The Quran discusses this battle in sura Al-Ahzab, in verses 33:9–27.
During the battle, the Jewish tribe of Banu Qurayza, located to the south of Medina, entered into negotiations with Meccan forces to revolt against Muhammad. Although the Meccan forces were swayed by suggestions that Muhammad was sure to be overwhelmed, they desired reassurance in case the confederacy was unable to destroy him. No agreement was reached after prolonged negotiations, partly due to sabotage attempts by Muhammad's scouts. After the coalition's retreat, the Muslims accused the Banu Qurayza of treachery and besieged them in their forts for 25 days. The Banu Qurayza eventually surrendered; according to Ibn Ishaq, all the men apart from a few converts to Islam were beheaded, while the women and children were enslaved. Walid N. Arafat and Barakat Ahmad have disputed the accuracy of Ibn Ishaq's narrative. Arafat believes that Ibn Ishaq's Jewish sources, speaking over 100 years after the event, conflated this account with memories of earlier massacres in Jewish history; he notes that Ibn Ishaq was considered an unreliable historian by his contemporary Malik ibn Anas, and a transmitter of "odd tales" by the later Ibn Hajar. Ahmad argues that only some of the tribe were killed, while some of the fighters were merely enslaved. Watt finds Arafat's arguments "not entirely convincing", while Meir J. Kister has contradicted the arguments of Arafat and Ahmad.In the siege of Medina, the Meccans exerted the available strength to destroy the Muslim community. The failure resulted in a significant loss of prestige; their trade with Syria vanished. Following the Battle of the Trench, Muhammad made two expeditions to the north, both ended without any fighting. While returning from one of these journeys (or some years earlier according to other early accounts), an accusation of adultery was made against Aisha, Muhammad's wife. Aisha was exonerated from accusations when Muhammad announced he had received a revelation confirming Aisha's innocence and directing that charges of adultery be supported by four eyewitnesses (sura 24, An-Nur).Truce of Hudaybiyyah
Although Muhammad had delivered Quranic verses commanding the Hajj, the Muslims had not performed it due to Quraysh enmity. In the month of Shawwal 628, Muhammad ordered his followers to obtain sacrificial animals and to prepare for a pilgrimage (umrah) to Mecca, saying that God had promised him the fulfillment of this goal in a vision when he was shaving his head after completion of the Hajj. Upon hearing of the approaching 1,400 Muslims, the Quraysh dispatched 200 cavalry to halt them. Muhammad evaded them by taking a more difficult route, enabling his followers to reach al-Hudaybiyya just outside Mecca. According to Watt, although Muhammad's decision to make the pilgrimage was based on his dream, he was also demonstrating to the pagan Meccans that Islam did not threaten the prestige of the sanctuaries, that Islam was an Arabian religion. 
Negotiations commenced with emissaries traveling to and from Mecca. While these continued, rumors spread that one of the Muslim negotiators, Uthman bin al-Affan, had been killed by the Quraysh. Muhammad called upon the pilgrims to make a pledge not to flee (or to stick with Muhammad, whatever decision he made) if the situation descended into war with Mecca. This pledge became known as the "Pledge of Acceptance" or the "Pledge under the Tree". News of Uthman's safety allowed for negotiations to continue, and a treaty scheduled to last ten years was eventually signed between the Muslims and Quraysh. The main points of the treaty included: cessation of hostilities, the deferral of Muhammad's pilgrimage to the following year, and agreement to send back any Meccan who emigrated to Medina without permission from their protector.Many Muslims were not satisfied with the treaty. However, the Quranic sura "Al-Fath" (The Victory) assured them that the expedition must be considered a victorious one. It was later that Muhammad's followers realized the benefit behind the treaty. These benefits included the requirement of the Meccans to identify Muhammad as an equal, cessation of military activity allowing Medina to gain strength, and the admiration of Meccans who were impressed by the pilgrimage rituals.After signing the truce, Muhammad assembled an expedition against the Jewish oasis of Khaybar, known as the Battle of Khaybar. This was possibly due to housing the Banu Nadir who were inciting hostilities against Muhammad, or to regain prestige from what appeared as the inconclusive result of the truce of Hudaybiyya. According to Muslim tradition, Muhammad also sent letters to many rulers, asking them to convert to Islam (the exact date is given variously in the sources). He sent messengers (with letters) to Heraclius of the Byzantine Empire (the eastern Roman Empire), Khosrau of Persia, the chief of Yemen and to some others. In the years following the truce of Hudaybiyya, Muhammad directed his forces against the Arabs on Transjordanian Byzantine soil in the Battle of Mu'tah.
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