(Bloomberg) -- When South Korea decided to host a US anti-ballistic missile system, the lucrative flow of tourists from neighboring China suddenly dried up. When Australia accused Beijing of meddling in its domestic politics and demanded answers over the origins of Covid-19, China stopped buying exports like coal, wine and beef.Most Read from BloombergMusk Makes Surprise China Visit in Search of Tesla Revenue BoostElliott Said to Have Built ‘Large’ Stake in Buffett-Favored SumitomoBHP’s $39 Bill