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The First Red Scare: America’s post-WWI fear of Communism and radical change

Men arrested in raids awaiting deportation hearings on Ellis Island, 13 January 1920
Corbis Images for Education database, Public domain, via Wikimedia Commons
World history
12 February, 2025

In the aftermath of World War I, America experienced a period of intense social and political upheaval that would come to be known as the First Red Scare (1919-1920). This tumultuous time emerged from a perfect storm of circumstances: the Bolshevik Revolution in Russia, labour unrest at home, and a nation grappling with its identity in a rapidly changing world.

To understand the First Red Scare, we must first examine the context of post-war America. The country had just emerged from World War I, and soldiers were returning home to find an economy in transition. Factories that had been producing war materials were scaling back, leading to unemployment and labour disputes. Meanwhile, news of the 1917 Russian Revolution had sparked both fear and inspiration – fear among business owners and political leaders and inspiration among some labour activists and radicals who saw an alternative to capitalism.

The tension manifested in a series of events that seemed to confirm the worst fears of many Americans. In 1919, the country witnessed a wave of labour strikes involving over four million workers. In Seattle, a general strike brought the city to a standstill. In Boston, police officers walked off the job, leading to widespread panic about public safety. These labour actions were often portrayed by newspapers and politicians not as legitimate grievances about working conditions but as evidence of communist infiltration.




Perhaps the most dramatic events of the Red Scare were the mail bombs of 1919. In April and June, anarchists mailed dozens of bombs to prominent Americans, including Attorney General A. Mitchell Palmer. Two separate attempts were made on Palmer’s life, with the second attack in June 1919 destroying part of his home in Washington, D.C. Though Palmer and his family escaped unharmed, the attack heightened fears of a radical uprising and set the stage for an aggressive government crackdown.

The “Palmer Raids” that followed represented one of the most significant violations of civil liberties in American history. Under Palmer’s direction, the Justice Department conducted thousands of warrantless arrests and deportations, often targeting immigrants from Eastern Europe and anyone suspected of radical political beliefs.

The media played a crucial role in amplifying these fears. Newspapers regularly published sensational stories about communist plots and radical conspiracies. Political cartoons depicted anarchists and communists as wild-eyed foreigners throwing bombs, helping to conflate immigration with radical politics in the public mind. This coverage contributed to a climate where dissent of any kind could be labelled as “un-American.”

The case of Eugene V. Debs

One of the most famous figures affected by the crackdown on dissent was Eugene V. Debs, a socialist leader and five-time presidential candidate. Debs was a prominent labour organiser and political activist who played a crucial role in the American socialist and labour movements.

He co-founded the Industrial Workers of the World (IWW) and was a key figure in the Socialist Party of America, advocating for workers’ rights, public ownership of industries, and an end to capitalist exploitation.




Picture of Eugene V. Debs, American labor activist and five time candidate for President of the United States
Eugene V. Debs
Public domain, via Wikimedia Commons

Debs became widely known during the Pullman Strike of 1894, where he led railway workers in a nationwide protest against wage cuts and unfair labour practices. The strike resulted in violent clashes with federal troops, and Debs was arrested and imprisoned for defying a court injunction. During his time in jail, he read extensively about socialism and became a committed socialist leader.

During World War I, Debs was a vocal opponent of US involvement in the war, arguing that it was fought for the benefit of capitalists while working-class people bore the burden. In a 1918 speech in Canton, Ohio, Debs criticised the war and the draft, urging workers to resist militarism. His speech led to his arrest under the Espionage Act of 1917, a law that made it illegal to interfere with military recruitment or cause “disloyalty” in the armed forces.

Debs was convicted and sentenced to ten years in prison, even though his speech did not explicitly call for violence or illegal action. While in prison, he ran for president in the 1920 election and remarkably received nearly one million votes—a testament to his enduring popularity and the strength of the socialist movement despite government repression.

The Supreme Court upheld his conviction in Schenck v. United States (1919). This landmark case established the “clear and present danger” doctrine, which allowed the government to restrict speech deemed dangerous to national security. Debs remained imprisoned until 1921, when President Warren G. Harding commuted his sentence, though he was never officially pardoned.




The Red Scare’s lasting impact

The crackdown on figures like Debs illustrated the broader impact of the First Red Scare on civil liberties. The Espionage Act and its successor, the Sedition Act of 1918, were used to silence political dissent, particularly among socialists, anarchists, and labour activists. The Industrial Workers of the World, which had already been weakened by government repression, was effectively dismantled during this period.

The Red Scare also had lasting effects on American labour and immigration. The Palmer Raids and the hysteria surrounding them contributed to the passage of the Immigration Act of 1924, which imposed strict quotas on immigrants from Eastern and Southern Europe, targeting groups associated with socialist and anarchist movements. The Act reflected the xenophobia that the Red Scare had helped foster.

Looking back, we can see clear parallels between the First Red Scare and other periods of American history where fear of the “other” led to restrictions on civil liberties. The Second Red Scare of the 1950s (McCarthyism) would echo many of these same themes, as would later periods of heightened nationalism and fear of foreign influence.

The First Red Scare is a cautionary tale about how fear can be manipulated to undermine democratic principles. It demonstrates how economic uncertainty, social change, and political upheaval can create conditions where civil liberties become vulnerable to popular panic and government overreach. Understanding this period helps us recognise similar patterns in contemporary debates about national security, immigration, and political dissent.

The legacy of the First Red Scare continues to resonate in American political discourse, reminding us of the delicate balance between national security and individual rights and the importance of protecting constitutional freedoms even in times of social upheaval and fear.

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