What did independence mean for SG?

On 9 August 1965, Prime Minister Lee Kuan Yew spreaded the news about Singapore's independence from Malaysia.People felt that Singapore's independence was unexpected because they felt a sense of loss.Singapore independence became known to the world.Other countries wondered how Singapore would face challenges after independence.Singapore had insufficient security which would be threatened by instability in Southeast Asia.Singapore had a small defence force before independence.Singapore became more vulnerable due to the withdrawal of the British armed forces, so Dr Goh Keng Swee introduced National Service to strengthen Singapore's defence force.Singapore became a member of international organisations to gain recognition.Singapore had insufficient natural resources due to Singapore's tense relations with its neighbours.Singapore could not depend on entrepot trade.Singapore also experienced insufficient unemployment.Singapore had a problem with forging a common identity and a sense of belonging among its citizens.