社会主义阵线
At the time of the 1968 general election, mass resignations by the members of Barisan Sosialis in the parliament, who opted to protest and "struggle for democracy" on the streets, had effectively removed all opposition from the parliament. In 1970, however, it was five members from the governing People's Action Party who were invited to resign and give way to new blood as a part of renewing PAP's ranks.