The decimal system is from the Gupta Empire
The definition of monarchy is a form of government with a monarch at the head. So this usually means someone of royal decent is ruling it.
It was the "oil crisis" that was one major cause of the recession in the United States in the 1970s, since many countries in the Middle East cut prices to manipulate prices. This put a focus on alternative energy sources that continues today.
필리핀에서 방문하기 가장 좋은 곳은 무엇입니까?
I want to say that the answer is C seeing as it's the most logical one.