[3][5] It initially had around 20 members,[1] and journalist Yamamoto Sanehiko [ja] was assumed chairperson of the party.
[2][4][6] On 4 January 1946, the Supreme Commander for the Allied Powers (SCAP) published a memorandum pertaining to the Purge (from public office) based on the Potsdam Declaration and an order from the State-War-Navy Coordinating Committee (SWNCC).
[9] On the other hand, the dominant Liberal Party could not win an absolute majority, so the Shidehara Cabinet did not resign and began maneuvering to cling to power.
[11] The four-party joint committee started negotiations for a coalition government after defeating the cabinet, but the idea eventually failed due to disagreements within the subcommittee.
[2][3] In its policy outline, it described co-operatism as "stabilize the lives of the people through mutual aid between cities and farming / fishing villages centred on cooperatives, and establish and encourage a production system that integrates agriculture, manufacturing and commerce.