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
Polish Operation of the NKVD of the Polish diversionist and espionage groups and POW units"," was approved on August 9, 1937 by the Party's Central Committee Politburo, and was signed by Nikolai Yezhov on August 11, 1937. It was distributed to the local subdivisions of the NKVD simultaneously with Yezhov's thirty-page "secret letter," explaining what the "Polish operation" was all about. The letter from Yezhov was titled, ""On fascist-resurrectionist, spying, diversional, defeationist, and terrorist activity of Polish intelligence in the USSR"". Stalin demanded the NKVD to "keep on digging out and cleaning out this Polish filth." The "Order" adopted the simplified so-called "album procedure" (as