If the USA wishes to impose sanctions on Russia, Iran, North Korea etc., that is their prerogative. I happen to think that they are fully justified in doing so. But, I cannot agree that they are entitled to try & enforce other countries to do likewise. The USA simply has to accept that, despite it occupying the moral high ground, other countries are independent entities, which have their own policies as regards Russia etc. - disappointing as that may be. I can go along with them banning Bangladesh Birman from the USA, but cannot see what allows them to try & ban such airlines from operating to & from, or through the airspace of, sanctioned countries.