The Ansar were very happy with the coming of the messenger of Allah to their town and his taking it as the capital of his state. After the conditions had been orderly in Medina, the Prophet (a.s.) took very important steps such as:
Brotherhood among Muslims
The first step the Prophet (a.s.) took was that he made the Muhajireen brothers of the Ansar by a tie of true brotherhood that was confirmer than the tie of blood and kinship. From among the conditions of this brotherhood was that each one should participate
his brother in every possession and every ease and hardship. The Prophet (a.s.) made himself a brother of Imam Ali (a.s.). There is another thing worth of being mentioned is that the Prophet (a.s.) reconciled the Aws Tribe with the Khazraj Tribe after their long enmities and wars.
Building the Islamic civilization
When everything was orderly in Medina and the Prophet (a.s.) found protection and security among its people, he started the establishing of the Islamic civilization that would save man from all that might degrade him and would take him toward perfection.
The Islamic civilization has made an integral method of life for man that he can find in it security, ease, and all that he wishes for in life. Islam deals with all fields of life and throughout all ages. The following are some of the articles of this method: