In 1948, rather than support Harry Truman, the ALP backed Progressive Party candidate Henry A. Wallace. Former Republican Vito Marcantonio won a seat again to the United States House of Representatives, representing East Harlem for the ALP, as he had done in 1938, 1940, 1942, 1944, and 1946 (but lost in 1950). Marcantonio had been the target of the New York Wilson Pakula Act in 1947 aimed at restricting candidates from one party running in another party's primary election (electoral fusion). Leo Isacson was elected in early 1948 to fill a vacancy in a Bronx district but lost in the general election in November. The Communist Party USA openly endorsed the Progressive Party; some ALP candidates that year were known or alleged communists, e.g., Lee Pressman. Candidates included (winners bolded):