The Communist Party opposed American involvement in the early stages of World War II, starting in August 1939, when the Molotov–Ribbentrop Pact launched a deal between Stalin and Hitler that allowed Moscow to split control of Eastern Europe with Berlin. Communist activists in CIO labor unions tried to slow the flow of munitions to Britain.

The first anti-soviet uprising during World War II began on June 22, 1941 (the start-date of Operation Barbarossa) in Lithuania. On the same day, the Sisak People's Liberation Partisan Detachment was formed in Croatia, near the town of Sisak. …

It has been estimated that during the course of World War II 800,000 Germans were arrested by the Gestapo for resistance activities. It has also been estimated that between 15,000 and 77,000 of the Germans were executed by the Nazis. [1]

The Communist Party opposed American involvement in the early stages of World War II, starting in August 1939, when the Molotov–Ribbentrop Pact launched a deal between Stalin and Hitler that allowed Moscow to split control of Eastern Europe with Berlin. Communist activists in CIO labor unions tried to slow the flow of munitions to Britain.

Second, there was a lot of protest against US involvement in the Second World War, especially by the German American Bund movement but also by isolationists and principled anti-war objectors who remembered the First World War.

May 19, 2021 · Every war in American history—even the one that spawned the country—generated internal dissent from pacifists who rejected all wars and from citizens who objected to specific military conflicts on...

Jan 16, 2018 · On Sept. 4, 1940, the non-interventionist movement organized into the America First Committee. At its peak, the AFC had 800,000 dues-paying members. The organization folded days after the...

Chicago once again became a center of antiwar agitation during World War II, boasting one of the most active “America First” chapters in the country.

The large student movement of the 1930s organized a series of anti-fascist and antiwar protests at UW in the buildup to World War II. (Image courtesy of Special Collections, University of Washington Libraries)

In many cases, the Nazis euphemistically used the term "anti-partisan operations" to obfuscate ethnic cleansing and ideological warfare operations against perceived enemies; this included Jews, Communist officials (so-called Jewish Bolsheviks), Red Army stragglers, and others.