People do not survive with cocaine, they just sniff it then get addicted to it. Some people get illnesses because of that drug. Cocaine can be harmful to the body and immune system, making it weak. Some people cannot survive without it because they are addicted to it.
If they do not overdose or have the required money needed to use cocaine regularly, then it is not that much of an issue in the sense of 'surviving with it' as there are much worse drugs that have worse health effects on our system. While long-term use of cocaine can have some negative side effects (while also being quite adictive), it's not something that people wouldn't be able to survive with.
In order for a nation to exist, the statement that must be TRUE is the country must be free to exercise sovereignty in handling its own affairs. The correct answer is D.
European allies believed that after the recover of world war II their colonies would finally provide the combination of raw materials and protected markets for finished goods that would cement the colonies to Europe