Because North Korea gets along with us well and South Korea doesn't get along with us at all
The correct answer is letter C.
Sea and land breezes over a large region that change direction with the season are called monsoons. These are seasonal changes in the direction of winds in a particular region which causes its wet and dry seasons.These monsoons are often associated with the Indian Ocean and tend to move from cold to warm regions in a particular region.
I think it’s C but not a 100% sure... but hopefully you get it right