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==Historical Background==

==Historical Background==

See [[History of the Muslim World]]or [[History of Islam]]

See [[History of the Muslim World]] or [[History of Islam]]

According to Islamic belief, in approximately 610 A.D., [[Muhammad]], a 40-year-old merchant of the Quraysh tribe in [[Mecca]], located in the Hijaz (now eastern [[Saudi Arabia]]), was commanded by the angel [[Gabriel]] (or Jibreel) to "recite" the message of [[Allah]] (Arabic for God). Gabriel said mankind had lost sight of Allah's previous messages to earlier prophets, [[Adam]], [[Noah]], [[Abraham]], [[Moses]], [[Solomon]], and [[Jesus]], among others, and that Muhammad was to spread Allah's message to all people so that mankind would know how to live, how to show respect for Allah, and how to prepare for the judgment day.  

According to Islamic belief, in approximately 610 A.D., [[Muhammad]], a 40-year-old merchant of the Quraysh tribe in [[Mecca]], located in the Hijaz (now eastern [[Saudi Arabia]]), was commanded by the angel [[Gabriel]] (or Jibreel) to "recite" the message of [[Allah]] (Arabic for God). Gabriel said mankind had lost sight of Allah's previous messages to earlier prophets, [[Adam]], [[Noah]], [[Abraham]], [[Moses]], [[Solomon]], and [[Jesus]], among others, and that Muhammad was to spread Allah's message to all people so that mankind would know how to live, how to show respect for Allah, and how to prepare for the judgment day.  

Tribal elders in a traditional council called the "Shura" elected [[Abu Bakr]] to be Muhammad's successor, or [[Caliph]] (Khalifa). Abu Bakr united the tribes of the Arabian peninsula during his two years as head of the new faith. Upon his death, the elders elected [[Umar ibn al-Khattab]] the next Caliph. During Umar's ten year reign, Islam invaded and spread through conquest and negotiation into [[Egypt]], [[Syria]], [[Palestine]], [[Iraq]], and parts of [[Iran]]. Umar was assassinated by a Persian (modern day Iran) in 644, and was succeeded by [[Uthman ibn Affan]], who continued the invasions to spread Islam into [[North Africa]], [[Cyprus]], the rest of Iran, [[Afghanistan]], and parts of [[India]] and [[Pakistan]]. Over the next two centuries, Islamic armies continued to expanded Islam's empire into sub-Saharan Africa, [[Spain]], South-east and Central Asia, and [[Turkey]].

Tribal elders in a traditional council called the "Shura" elected [[Abu Bakr]] to be Muhammad's successor, or [[Caliph]] (Khalifa). Abu Bakr united the tribes of the Arabian peninsula during his two years as head of the new faith. Upon his death, the elders elected [[Umar ibn al-Khattab]] the next Caliph. During Umar's ten year reign, Islam invaded and spread through conquest and negotiation into [[Egypt]], [[Syria]], [[Palestine]], [[Iraq]], and parts of [[Iran]]. Umar was assassinated by a Persian (modern day Iran) in 644, and was succeeded by [[Uthman ibn Affan]], who continued the invasions to spread Islam into [[North Africa]], [[Cyprus]], the rest of Iran, [[Afghanistan]], and parts of [[India]] and [[Pakistan]]. Over the next two centuries, Islamic armies continued to expanded Islam's empire into sub-Saharan Africa, [[Spain]], South-east and Central Asia, and [[Turkey]].

The Muslim armies conquered and superseded the ancient Sassanid and Byzantine empires which had ruled before. Within a generation of Muhammad's death Muslim armies occupied an empire stretching from the Nile river to the far off Iranian province of khorasan. Reasons for the rapid conquest are varied and obscure. The Arab armies were more akin to tribal war bands raiding and settling where and when they could. The Byzantine and Sassanid empires had been at war for centuries. The constant simmering conflict between Constantinople and Persia reached a climax in the early 7th century. The Sassanids conquered briefly Egypt and the Levant threatening the central byzantine heartland of anatolia.

The Muslim armies conquered and superseded the ancient Sassanid and Byzantine empires which had ruled before. Within a generation of Muhammad's death Muslim armies occupied an empire stretching from the Nile river to the far off Iranian province of khorasan. Reasons for the rapid conquest are varied and obscure. The Arab armies were more akin to tribal war bands raiding and settling where and when they could. The Byzantine and Sassanid empires had been at war for centuries. The constant simmering conflict between Constantinople and Persia reached a climax in the early 7th century. The Sassanids conquered briefly Egypt and the Levant threatening the central Byzantine heartland of Anatolia. Under the military reforms of the emperor Heraclius, the Byzantine army consolidated and counter attacked, recapturing all that they had lost and capturing the Sassanian capital of Ctesiphon in 628.

 

This brief end of the Roman-Persian wars disrupted the frontier areas which had predicated their economies on raiding and mercenary activities. Two major areas in Arabia were directly affected. The Lackmid tribe and the Gassanid tribe both acted as mercenaries for the Persians and Romans. The official religion of both tribes analogically mirrored that of their overseers. Monophysite Christianity was common, particularly of the Jacobite sect. The death of Muhammad and the subsequent Ridda wars occupied these warrior tribes until the reign of Caliph Umar. Additionally, there was great religious unrest in the levant and Egypt. These areas resented the ruinous taxes and the harsh orthodoxy imposed by the emperor in Constantinople. The same climate was present in the Sassanid realm with the rise of the dualism of the Manicheans. Under the Caliph Umar ,the Arab tribes which had concluded the infighting following the death of Muhammad were allowed to raid into the Byzantine and Sassanid fronteirs. The weakened state of both regimes from both military and economic exhaustion and religious unrest made them fertile picking grounds for the tribal warbands. The Arabs were chiefly successful in holding these areas in that they upheld a lightweight regime of low taxes based in the Islamic laws and distant government. Rather than employing an army of bureaucrats and nobility, the early Arab empire was more favorable towards maintaining the existing government structures under the leadership of Arab tribes. In this atmosphere it is hardly surprising to note the reports from both Muslim and Christian sources of peaceful capitulation and invitation of the invading forces.

==Divisions Within Islam==

==Divisions Within Islam==