Immigrants Mobilize in Cold War Los Angeles

21 October 2026

Cold War-era anti-communism in Los Angeles wasn't just an ideological fight. It was a battle that flowed into the city's neighborhoods, as immigrant communities turned the state's repression into a fight for democracy, rights and dignity.

As Mexico-born and Mexican American residents surged in Boyle Heights in the 1940s, they formed multiracial coalitions, often with Jewish residents, that buoyed Edward R. Roybal as the first Mexican American elected to the Los Angeles City Council in 1949. When anti-communist forces targeted Boyle Heights for foreign-born deportations, these coalitions integrated into a broader leftist defense of immigrant rights.

The Los Angeles Committee for the Protection of the Foreign Born (LACPFB) became the key organizing vehicle for that multiracial advocacy coalition, defending radicals and labor activists as civil-liberties struggles. In 1950, Boyle Heights even established an Eastside branch.

The LACPFB argued that, in its words, "Equal justice for foreign-born people is a test of democracy and the Bill of Rights." Deportation, it said, was an inhumane and politically repressive government action.

As the Cold War intensified, so did federal and congressional crackdowns. The Smith Act of 1940, McCarran Act of 1950, McCarran-Walter immigration law of 1952, and investigations by the House Un-American Activities Committee made the fight over foreign-born rights a central front in the struggle for civil liberties. Leftist groups, led by the LACPFB, turned each deportation case into a high-profile stand.

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The committee's promotional and educational material emphasized the differences in discrimination faced by different groups, eschewing quick appeals to an assimilationist "melting pot."

The LACPFB carried that rights-based rhetoric into dozens of deportation cases, but it also organized an education campaign on behalf of more dramatic Cold War persecution. In the 1940s, the sheriff's department arrested four men, the Santa Ana Four, and held them in solitary confinement in Santa Ana, California. When these cases caught the committee's attention, it insisted that the Four were held on spurious charges, and it demanded an investigation.

Just as the LACPFB gave each deportation case a legal-defense campaign, it created this organizing model for broader anti-communist imprisonment and surveillance. Such campaigns armed immigrant communities in Los Angeles - America's gateway - with the tools to connect specific persecutions to an ongoing battle for democracy.

Los Angeles's urban growth, political nativism, and economic development in the Cold War era had left non-European immigrants trapped in the lowest rungs of the labor market, with limited political influence. With immigration as central to the city's identity, and multiracial coalitions organized for the fight, the LACPFB staged these civil-liberties battles on behalf of those immigrants to great effect, and wrote a crucial chapter in the city's ongoing story of resistance.