After the First World War, the Socialist Party put forward the slogan of "land socialization", that is, it advocated that all land should be owned by cooperatives, which was resolutely opposed by farmers. When urban workers went on strike and occupied factories, the land occupation movement broke out in the countryside. 19 19, more than 500,000 farmers participated in this movement, 1920, reaching more than 65.438+0 million.