The United States sent military forces to the Balkans during the 1990s in order to rescue people from atrocities committed against them--"crimes against humanity"--and to take the assertive action that NATO as a peace-keeping enterprise could not take to end the war.
Answer:
The economy of North Korea is a centrally planned system, where the role of market allocation schemes is limited, though increasing. As of 2020 North Korea continues its basic adherence to a centralized command economy. ... China is North Korea's largest trading partner.
Country group: Low-income economy
Currency: North Korean won
GDP: $32.1 billion (nominal, 2018)
GDP by sector: agriculture: 22.5%; industry: 47...
The gold rush is the answer
I believe its; Had understand of scientific principles, had understanding of mathematics, developed technologies which somehow were lost (The records of the lost technologies were burned down in a library/and when Roman was overran by barbarians, thus I'm not sure if the last one is correct or not.)