"the consent of the governed" and all the other slogans Murica spouts but doesn't believe.

That can still apply to people who are subjugated. Notice that the Navajo are 100x larger than their pre-annexation population numbers, have more wealth, and are all able to vote.

American soldiers had no business being in someone else's country.

That depends on the causus belli. I'm not going to accept Pacifism.