1. Marshall's government faced the Hock Lee Bus Riots in 1955 when bus workers went on strike but were fired, leading to riots. Marshall attempted to mediate but failed. His first Merdeka talks with Britain also failed to gain self-government for Singapore.
2. Lim's government saw the 1956 Students' Riots after he cracked down on communist students. The second Merdeka talks also failed.
3. The 1959 elections saw the People's Action Party win a majority, marking Singapore's transition to internal self-rule under a new democratic political structure.