sentences:  The Relief Project Workers' Union (RCPU) was the successor to the Relief Camp Workers' Union, which had led the 1935 strike that culminated in the On-to-Ottawa Trek and Regina Riot.After the earlier strike, the maligned federal relief camps run by the Department of National Defence were replaced by "relief projects" operated by the provinces and funded by both levels of government.The pay-rate was similar to the earlier camps, five dollars a month, compared to the twenty-cents per day offered by the "slave camps."