Complex sentence: As Singapore's economy developed the Central Provident Fund was expanded in 1968 to provide for housing expenses under the Public Housing Scheme and in 1984 to provide for medical and care expenses.
Split into simpler sentences: As Singapore's economy developed the Central Provident Fund was expanded in 1968 to provide for housing expenses under the Public Housing Scheme. In 1984 the Central Provident Fund was again expanded to cover medical and care expenses.