Muawiyah made the most of the martyrdom of Imam Ali (as), and quickly took complete power after the ceasefire with Imam Hasan (as), becoming the undisputed caliph of the Muslims for the next twenty years. Bani Umayyah now had total power and to no one’s surprise, Yazid was made successor to...

Although the Battle of Nahrawan against the Khawarij wasn’t a big deal and they were easily defeated by Imam Ali’s army, yet strategically, it was a big problem; after this battle, the army of Imam Ali (as) was no longer interested in fighting Muawiyah despite the imam (as) pushing for it as hard...