What groups opposed the weimar republic?

The Weimar Republic faced opposition from various groups, primarily the extreme right and left. Right-wing factions, including the Freikorps and the Nazi Party, sought to overturn the republic and restore a more autocratic government, often using violence and Propaganda. On the left, the Communist Party (KPD) aimed to establish a socialist state, leading to uprisings such as the Spartacist uprising in 1919. Additionally, nationalist groups criticized the republic for its perceived weaknesses and the harsh terms of the Treaty of Versailles.