Complex sentence: In 1919, Japan proposed a racial equality clause, at the Paris Peace Conference, the proposal received the support of a majority but was vetoed by Woodrow Wilson in violation of the rules of the Conference on majority vote.
Split into simpler sentences: In 1919, Japan proposed a racial equality clause at the Paris Peace Conference. Their proposal received the support of a majority but was vetoed by Woodrow Wilson, in violation of the rules of the Conference on majority vote.