I would say that It would definitely be giving birth or having a new family member. Anyone would be excited to see the new blessing coming. Not just family members or relatives but for sure, friends would be there also.
Answer:
D. illegal drug trafficking
Explanation:
They isolated the area of China from outside places preventing things like invasion and impeded cultural diffusion and trade to a degree. Its one of the reason China holds a xenophobic attitude because it was created in relative isolation and its natural forms allowed it to be isolated so it helped to reject outside culture.