Harun al-Rashid was the second son of Caliph al-Maddi, the 3rd Abassid caliph of the Arab Empire. During Harun's childhood, many parts of the Arab Empire began to strike back against Arab rule. Who is Caliph al-Mahdi? A. Harun al-Rashid's father B. Harun al-Rashid's childhood friend C. Harun al-Rashid's enemy D. Harun al-Rashid's ruler