The mailman is different depending on which country you live in but in USA it is 18 <span />
Answer:
D. It has a large military but a weak economy.
Explanation:
The North Korean Army has one of the most active soldiers in the World as they use compulsory service for most citizens. This means that it's mandatory for a citizen must serve in the army for a certain amount of time. The country's economy is extremely weak and depends on Cold War Era technology to manufacture goods. Also, North Korea has been heavily sanctioned by the UN multiple times.
A, all the other answers would not make sense in the question.