A governor and later ruler of this empire named Marwan created a council consisting of all surviving sahaba.
This government's founder justified his strategy of giving gifts to appease foes with the saying "war costs infinitely more." That founder set up six administrative bureaus modeled on the Byzantines called diwan and appointed foreign governors instead of relying on native elites like the preceding government's general Amr ibn al-'As. A governor and later ruler of this empire named Marwan created a council consisting of all surviving sahaba. This state was founded by a rebellious (*) Syrian governor who moved the capital to Damascus. The first, but not most authoritative, collections of hadith were ordered by a ruler of this state, which was founded by Mu'awiya I and succeeded a line of four rulers who were called "rightly guided" or Rashidun. For 10 points, identify this second Islamic caliphate.
This government's founder justified his strategy of giving gifts to appease foes with the saying "war costs infinitely more."
Umayyad caliphate [or al-Khilafat al-'Umawiyya