Along with Umberto Terracini, she was expelled from the Italian Communist Party for opposing the Molotov–Ribbentrop Pact in 1939 and was not allowed to rejoin until 1945.

[3] In November 1922, Ravera attended Comintern’s Fourth Congress as a delegate for the Communist Party of Italy.

[3] Here she met important figures within the communist movement, including Clara Zetkin, Khristo Kabakchiev, Joseph Stalin, and Vladimir Lenin.

[3] After the March on Rome, the Communist Party was forced underground, with Ravera becoming a wanted figure under Mussolini's regime.

[3] She partook in Comintern's Sixth Congress in 1928 in Moscow, and was offered permanent residency in the city, which she declined.