In 1965, after tense months of negotiations, Lee Kuan Yew, the then young minister for Singapore, fail to prevent a motion by the Malaysian National Assembly to expel this Chinese-majority city from the Malaysia Federation and is forced to go independent reluctantly.
What if Lee managed to broker a deal with the Malay political force in Kuala Lumper and Singapore remains a city under Malaysia and that the state of Singapore didn't exist? How would that alter the SE Asia political landscape from 1960s till now?