The Chinese Emperor (Dao Guang) had banned [[opium]] in China because of its supposed deleterious social effects. Meanwhile, the British Empire considered the sale of opium in China as a useful means of redressing the British trade deficit, which had come about largely owing to the import of tea - a crop over which China still possessed an unbroken monopoly at the time. | The Chinese Emperor (Dao Guang) had banned [[opium]] in China because of its supposed deleterious social effects. Meanwhile, the British Empire considered the sale of opium in China as a useful means of redressing the British trade deficit, which had come about largely owing to the import of tea - a crop over which China still possessed an unbroken monopoly at the time. |