<unk> <unk> <unk> <unk> <unk>  Passage: The lack of good public housing, poor sanitation, and high unemployment led to social problems from crime to health issues. Passage: The lack of good public housing, poor sanitation, and high unemployment led to social problems from crime to health issues. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ The Housing Development Board set up before independence continued to be largely successful and huge building projects sprung up to provide affordable public housing to resettle the squatters.<unk> The Housing Development Board set up before independence continued to be largely successful and huge building projects sprung up to provide affordable public housing to resettle the squatters.<unk> The Housing Development Board set up before independence continued to be largely successful and huge building projects sprung up to provide affordable public housing to resettle the squatters. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ The Central Provident Fund (CPF) Housing Scheme, introduced in 1968, allows residents to use their compulsory savings account to purchase HDB flats and gradually increases home ownership in Singapore. British troops had remained in Singapore following its independence, but in 1968, London announced its decision to withdraw the forces by 1971. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk> Since independence, Singaporean defense spending has been approximately five percent of GDP.<unk> Since independence, Singaporean defense spending has been approximately five percent of GDP.<unk> Since independence, Singaporean defense spending has been approximately five percent of GDP. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️  Question: When did England begin the removal of British troops from Singapore?<unk>Question: When did England begin the removal of British troops from Singapore?
1968 <unk> <unk> <unk>