Starting from 'Opium-smoking continued openly in Hong Kong until 1946; in mainland China the Communist government abolished it when they came to power in 1949.', does it naturally lead to the conclusion 'Opium was smoked in Hong Kong until 1946 and banned in 1949.'
Opium-smoking continued openly in Hong Kong until 1946; in mainland China the Communist government abolished it when they came to power in 1949.###Opium was smoked in Hong Kong until 1946 and banned in 1949.