Additionally, the PER program noted the need to promote collaboration with the political groups representing Romania's other nationalities. Over these years, the PER became more supportive of Revisionist Zionism, its radicalism on this topic being spurred on by the steady growth of antisemitic intolerance in Romania, represented by groups such as the LANC and the Iron Guard. Weissman had seconded the Revisionist ideologue Ze'ev Jabotinsky during the elections for the Seventeenth Zionist Congress in June 1931, against Singer, who ran on a Renașterea Noastră list.
This development highlighted the need to foster cooperation with political groups representing Romania's minority populations. As a result, the PER became more aligned with Revisionist Zionism, its radicalism on this issue being fueled by the growing antisemitic hostility in Romania, exemplified by organizations such as the LANC and the Iron Guard. Weissman backed Revisionist ideologue Ze'ev Jabotinsky during the 1931 Seventeenth Zionist Congress elections against Singer, who ran under the Renașterea Noastră banner.