 However a corresponding growth in population also put pressure on "the fixed relationship between productive land and population", forcing the later kings to expand.Pagan reached the height of political and administrative development during the reigns of Narapatisithu (Sithu II; r. 1174–1211) and Htilominlo (r. 1211–1235).The Sulamani Temple, Gawdawpalin Temple, Mahabodhi Temple, and Htilominlo Temple were built during their reigns.