How did Shi'i beliefs contribute to the growth of mausoleums?

The growth of mausoleums in Islamic architecture was significantly influenced by the rise of Shi'i heterodoxy. While early Islamic tradition generally opposed the formal commemoration of the dead, Shi'i beliefs fostered a dedicated cult surrounding the descendants of the Prophet through his son-in-law, Ali.1

This theological emphasis on the succession of holy men led to the establishment of monumental tombs at key sites, such as Karbala, Najaf, and Qom. These sanctuaries became centers of pilgrimage and veneration, helping to shift broader Islamic attitudes toward funerary architecture. By the time of the Fatimid period, the development of mausoleums had expanded further, partially due to this continued Shi'i focus on holy figures, though it also intersected with other social and religious trends of the era.123