During Israel's early years, he objected his party's coalition membership and was an outspoken critic of the government's western orientation, the nationality conception, the Reparations Agreement and the martial law. At first, he supported the Soviet Union and tried, along with Moshe Sneh, to introduce Hashomer Hatzair's idea in Mapam. The exposure of Stalin's wrongdoings caused a schism in the Marxist orientation, resulting in the expulsion of Moshe Sneh's men from the party in 1953. Gradually, admiration of the Soviet Union lessened and inclination to cooperate with Mapai increased, and in 1955 Mapam indeed joined Mapai in the coalition. After the Six-Day War he expressed a relatively hawkish stand by opposing immediate withdrawal from the occupied territories. In 1969 he supported Mapam's alliance with Mapai as part of the Alignment; in 1984, he would support staying in the Alignment until the formation of the national unity government in 1984.