Question 4: Deprived of industrial inputs, including fertilizers, pesticides, and electricity for irrigation, agricultural output also started to decrease even before North Korea had a series of ________ in the mid-1990s.
Question 8: This southward exodus continued after the establishment of the Democratic People's Republic of Korea (North Korea) in 1948 and during the 1950-53 ________.
Question 10: The years of economic contraction in the 1990s slowed this sector as it did others; the shell of the 105-story Ryugyong Hotel has towered unfinished on ________’s skyline for over a decade.