We really did not have much leverage given the size comparison of the economies. As much as our egos may want (or think) otherwise.
The only thing IMO where we had real leverage was the threat of deporting (revoking visas) of all the students in our universities (and colleges) from China. Many powerful, rich and connected people have their kids here going to school (and living in homes they bought...). COVID19 and online slightly reduced the leverage. Many downsides, but one off the top is some smaller schools have a very heavy reliance on foreign students (30%++++), others less so--some are near/at bankruptcy today because of COVID for this reason. It would also hurt our credibility with other countries sending students here propping up our schools.
Half way or more through your degree (maybe a couple of credits away), sorry you can't complete it. Oh, BTW that house is no longer a primary residence.... but really, pokeing them in the eye would likely not be a good call.
BUT, in other totally unrelated news....
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