Simplify the following text for a Grade 9 native English-speaking person.
Original: Ban received his bachelor 's degree in International Relations from Seoul National University in 1970 and earned a Master of Public Administration from the John F. Kennedy School of Government at Harvard University in 1985 .
Simplified: Ban received a B.A. in International Relations from Seoul National University in 1970 , and earned a Master of Public Administration from the John F. Kennedy School of Government at Harvard University in 1985 .