They were miltiray orders were established in the early 12th century
The expansion plans of the Soviets led initially to the Containment policy of the early Cold War. The United States established the Containment policy which is primary to prevent the spread of the Communism period.
I hope this answers your question.
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.