World War 1 and 2 were drug fueled. Americans saw the carnage after WW1 and instituted prohibition and then entered WW2 as the only sober participants.

The Chinese 100 years of humiliation at the hands of the Brits, was down to Opium

The fall of the medieval European dynasties was all down to Luandanum

Time and again, the unhealthy, and unregulated use of drugs has toppled empires and led to social upheaval.

Makes perfect sense if you ran a country you would be scared of it.