Due to world war 2 the 1941 elections were called off by the new Premier Andrew Hakkarainen who stood in for the deceased leader Ali Aaltonen. He began declaring war on Nazi Germany after they invaded the Soviet Union. The Socialist party's popularity began to drop and due to Eino Rahja's diplomatic skills after the war he and his his Revolutionary party began to grow in popularity.
By the time of the elections he held sway over half the Finnish population. He was then put in as the second premier to be elected and took control of the government and the Helsinki Socialist. His first order for the party was then to drag the last of the communists to their side, which was achieved on the 4th May 1947, changing the party's name to the Communist-Revolutionary party.