Arabia Peninsula and its part in spreading Islam

Regarding the importance of place in historical events, one can ask: where was the most appropriate place for the appearance of Islam as the last and complete religion in 610 A.D.? Intending to answer the question, this paper has surveyed some particular properties of Arabia Peninsula in cluing its geographical and geopolitical place, and its significance in political, religious and economic situation have considerable affects in appearing, supporting and spreading Islam and, following it, Islamic civilization; the one more or less being stayed. It should be stated that the particularities are now of more ability. The abilities that, given the unity and harmony of Muslims, would play a remarkable role in approving Muslim`s power and situation. Otherwise, it would be a power for those of extravagance and terror as is today. Muslims opponents today, using the conditions, have a golden excuse to invade Islamic countries and societies and destroy them as we see now.