Complex sentence: He was discharged from the Nationalist Army in 1950 and went to the United States to concentrate on Chinese History, at the University of Michigan, receiving his Bachelors Degree in 1954, his Masters Degree in 1957 and his Doctorate in 1964.
Split into simpler sentences: He was discharged from the Nationalist Army in 1950 and went to the United States to concentrate on Chinese History. At the University of Michigan, he received his Bachelors Degree in 1954, his Masters Degree in 1957 and his Doctorate in 1964.