Sounds like classic Borderline Personality Disorder to me. I’m not a psychologies but: Fear of abandonment causing love-bomb to sabotage cycles is like the definition of BPD

Was China not trading with Korea and Cuba already? Its not like those two alone can replace the US.

The whole poll does not move as end entire unit instantaneously. You send a sort of shock-wave through the poll, when you push it from your end. That shockwave has a travel time that’s much slower than light. I suspect that the speed of that shockwave probably proportional to the speed of sound in the material that the poll is made of.