The main argument in support of the decision to use the atomic bomb is that it saved American lives which would otherwise have been lost in two D-Day-style land invasions of the main islands of the Japanese homeland
Popular sovereignty revolves around the idea that the people of a specific country/territory get to decide on certain issues.
This concept was used several times throughout American history. In the Compromise of 1850, the New Mexico and Utah territories used popular sovereignty in order to decide whether or not slavery existed in their territories. This concept was also used in the Kansas-Nebraska Act of 1854, as citizens of the Kansas and Nebraska territories got the chance to vote on whether slavery would exist in their territories.
Lieutenant General Sir Alan Cunningham commanded the Eighth Army at El Alamein.
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.
3rd One. I recently read an article on this so I think its 3.
