The increasing flood of opium into China was causing all manner of social problems (including corruption with colluding local officials). Attempts by China's rulers to curtail this flood -- while still refusing other forms of trade -- irritated the British. So too did the official Qing position that the British and all other foreigners were vassals and barbarians. As China attempted to shut off the flow of opium, Britain and other trading countries resisted every measure. Conflict became inevitable.
There are many factors that isolate the individual. The social isolation is the complete lack of contact between an individual and the rest of the society. One of the main factors is staying at home for lengthy periods of time, having no communication with family or friends, and in fact avoiding these contacts when the possibility do arise.
It is dangerous because it can be a chronic condition that affects all aspects of a person's existence and can lead to feelings of loneliness, fear of others, social panic or negative self esteem.
The lack of contact with other beings can also lead to depression. We, humans, are naturally social beings and need to have contact with other to have a healthy, mindful life.
Share them through and anonymous account where only people you trust can see them. The other options seem a bit harsh.
The correct answer is C. I'm positive.