The treasonous acts of Julius and Ethel Rosenberg ended with their conviction and finally, their executions, these events increasing the fear of Communism across America. After the arrests in 1950, Julius and Ethel Rosenberg appeared in federal court on charges of foreign espionage. “[David] Greenglass agreed to cooperate with investigators if his wife was spared prosecution. Within two months of his confession, the Rosenbergs were jailed and charged with conspiracy to commit espionage” (Roberts). The atrocious doings of the Rosenbergs and their operatives ultimately caused the most controversial spy trial of the Cold War. In the beginning of the atomic age, the United States was the only country in the world that possessed such a devastating