Abu Ja'far al-Mansur the second Abbasid caliph served replace his brother Abul Abbas As-Saffah. Abu Ja'far Al-Mansur was the son of Muhammad bin Ali bin Abdullah bin Abbas bin Abdul Muttalib who also siblings and Ibrahim Al-Imam Abul Abbas As-Saffah. All three are founders of the Abbasids. Ketikah Caliph Abul Abbas As-Saffah died, Abu Ja'far being pilgrimage Great Commander Abu Muslim Al-Khurasani. The first by Caliph Abu Ja'far al-Mansur became caliph after taking office on 136 H/754 M is a set of political and governmental strategy Abbasids. Government channels arranged neatly and carefully, so that during his reign established close cooperation between central and local governments. So is the Qadi (judge) secret police chief, the head of the tax department, and the heads of other agencies. During his tenure, the running community life peaceful, secure and prosperous. Political stability in the country tend to be safe and in control, there is no political unrest and revolts. Caliph Abu Ja'far Al-Mansur was very wary of the three groups which he said could be a stumbling block Abbasids and himself. The first group led by Abdullah ibn Ali, brother of Muhammad ibn Ali, the uncle Abu Ja'far himself. He served the Abbasid warlords. Widely known valor and courage. Followers of Abdullah bin Ali very much and very ambitious to become caliph. second group led by Abu Muslim Al-Khurasani, who made a large contribution in assisting the establishment of the Abbasid dynasty. Because of his courage and his services, he was highly respected and honored among the Abbasids. Much wider community that became his followers. Caliph Abu Ja'far al-Mansur Abu Muslim worry too much influence on government Abbasids. third group was led by supporters of Shiite heavy descent Ali. Wider community much sympathy for the movement they bring family names Prophet Muhammad. Having successfully anticipated the groups that can be a stumbling block reign, Al-Mansur back to devote his attention to…