Answer:
Leaders of the feudal states attacked the capital city Leaders of the feudal states declared independence
Explanation:
What is in common with Mongols, White Huns, and the Mughals as well was that all of them were persecuting Buddhists along their conquests on either Europe or Asiatic soil. None of the mentioned civilizations were particularly fond of the buddhistic teachings.
Japan had instantly made enemies of all of Russia's allies. If your friend beat you up you wouldn't want to be his friend for a while and all of his friends may not like you after the fight.