Which nation violated the Kellogg Briand pact in1931?

In 1931, Japan violated the Kellogg-Briand Pact by invading Manchuria. The pact, signed in 1928, aimed to prevent war as a means of resolving disputes. Japan's aggressive expansion in Manchuria demonstrated a disregard for international agreements and set the stage for further military actions in Asia. This invasion was a significant step towards the escalation of conflict in the region leading up to World War II.