sentences:  After the Leader of the Anti-Revolutionary Party Jan Schouten announced his retirement from national politics and that he wouldn't not stand for the election of 1956 he approached Zijlstra as a candidate to succeed him, Zijlstra accepted and became the Leader of the Anti-Revolutionary Party and "Lijsttrekker" (top candidate) of the Anti-Revolutionary Party for the election on 23 April 1956.The Anti-Revolutionary Party made a small win, gaining 3 seats and now had 15 seats in the House of Representatives.Zijlstra was elected as a Member of the House of Representatives and became the Parliamentary leader of the Anti-Revolutionary Party in the House of Representatives, taking office on 3 July 1956.