Which of the following is a major concern for north korea today

During the 90s hunger struck North Korea especially because of drought, flooding, and mismanagement from the government. Today the situation is better, but fear is still there, the countries geography and climate are difficult, mountains cover most of the country, erosion, and drought in the north aggravate things. The country is also closed to the outside world, what makes farmers don’t have access to modern agriculture machinery what makes food insecurity even worse.

the answer is a. or c.