What alphabet do they use in Korea?

Which action is an example of the unwritten constitution? What were the oceans for in the southern colonies? What was one of the barbarian tribes conquered by Caesar during the Gallic wars? When was the last fifty goal season by a leaf? Was Patrick Henry in the Boston Massacre? Who is the hand of god in soccer? How did the cotton gin impact the cotton industry and slavery? What does not describe a hardship of working in a mill or mine? What is the tool navigators used to find directions a long time ago? What foods are native to Australia? How old was Tutankhamun when he began his reign? What is colonial New York's culture? What did Robert Clive do for British in Bengal? Where did Mexico say the border of Texas lay during the Mexican American War? Who wrote the melting pot? What reforms did emperor Constantine make to the Roman Empire? Is Cam Rahn Bay in the central highlands of south Vietnam? Tutankhame n and the importance of the treasuers and artefacts found in his tomb? Did the Japanese keep any American prisoners? Why did Julius Caesar where red boots?

What alphabet do they use in Korea?