In the two centuries following Muhammad's death, the relationship between religious and secular authorities changed substantially" In 1-2 sentences, develop a logical argument in support of this statement. (2 points)

In the two centuries following Muhammad's death, the establishment of caliphates illustrated a significant intertwining of religious and secular authority, as leaders like the Umayyads and Abbasids not only governed vast empires but also assumed the role of spiritual leaders, thus blurring the lines between political power and religious legitimacy. This evolution gave rise to a complex system where obedience to the caliph was seen as both a civic duty and a religious obligation, fundamentally altering the dynamics of authority in Islamic society.