I think it's the person who enters another country who must learn the local language. Not to talk to their partners, that's personal and they can decide on that, but not to depend on your partner to go out, buy in stores or in the supermarket and make a normal life. In another country you can expect them to speak a foreign language, usually English, but not all the world's languages??.
The best example of denial of the right to a fair trial: imprisoned without charges or prisoners of war without the rights of international conventions.
Everyone thinks about invading aliens could be a civilization of intelligent beings, but could be something like a swarm fallen from a comet or meteorite
Dialogue, or even surrender, will be impossible in that case
GUZMAN1 Forum Posts (5,101)
RE: swiss oil company disregards embargo
It seems that someone's word is Law.