History of the Communist Party USA the retiring head of the party, William Z. Foster, published a book entitled "Toward Soviet America", which laid out the Communist Party's plans for revolution and the building of a new socialist society based on the model of Soviet Russia. In that same year, Earl Browder became General Secretary of the Communist Party. At first, Browder moved the party closer to Soviet interests and helped to develop its secret apparatus or underground network. He also assisted in the recruitment of espionage sources and agents for the Soviet NKVD. Browder's own younger sister Margerite was an NKVD operative in Europe until
NKVD known as the GULag) as well as the regular police. At various times, the NKVD had the following Chief Directorates, abbreviated as "ГУ"– , . Until the reorganization begun by Nikolai Yezhov with a purge of the regional political police in the autumn of 1936 and formalized by a May 1939 directive of the All-Union NKVD by which all appointments to the local political police were controlled from the center, there was frequent tension between centralized control of local units and the collusion of those units with local and regional party elements, frequently resulting in the thwarting of Moscow's plans.