no it is not allowed
No. It is considered illegal.
No, it may be used for self interest.
Of the few countries where euthanasia is legal, China is not one of them. So no, officially euthanasia is not legal in China.
The Catholic Church is pro-life from conception until death. Euthanasia is not allowed.
no they are not allowed to drive
In those countries where it is allowed, 0% is illegal. In those countries where it is not then 100% is illegal.
The Netherlands, and certain states of the United States are two that come to mind.
No states in the US describe euthanasia as being legal. However, physician-assisted suicide has been legalized in a few states now. The difference between the two is that in euthanasia, the doctor administers the lethal drug to the patient while in physician-assisted suicide, the doctor provides the means (usually a lethal drug) to the patient, which end their own life.
No, it is not allowed to bring alcohol into Mexico without declaring it and paying the corresponding taxes at customs.
No.
Some people recognize an individual's right to control their own death when their life becomes too hard to bear.