As soon as the short rule of the four caliphs came to an end...

As soon as the short rule of the four caliphs came to an end, the caliphate was seized by the Umayyads who exaggerated in subjugating and oppressing the Ansar and depriving them of everything to leave them in poverty and wretchedness. Mo’awiya was excessive in revenging on them, and when his son Yazid assumed the caliphate, he spared no effort to offend them. He violated their properties, bloods, and honors in the battle of al-Harrah that history has seldom seen a terrible, cruel event like it.

[1] Ibid., p.236. The speech of Sa’d When the Ansar met in the Saqeefa, Sa’d bin Ubadah the chief of (the tribe of) al-Khazraj opened the conference by making this speech: “O people of the Ansar, you have had a favor in religion and a merit in Islam that no one of the Arabs has…