The document summarizes the merger and separation of Singapore from Malaysia between 1963-1965. It describes how the Prime Minister of Malaysia, Tunku Abdul Rahman, was initially against merging with Singapore due to concerns about the predominantly Chinese population upsetting Malaysia's racial balance and sympathizing with communist causes. However, he changed his view in 1961 due to fears that Singapore might become communist. Singapore voted to merge with Malaysia in 1962, but conflicts over finances, revenues, politics and racial riots caused tensions and Singapore separated from Malaysia in 1965.