Complex sentence: In 1965, she returned to the U.S. on her own and attended Antioch College where she majored in literature and graduated in 1970, she also spent a year at the University of Munich.
Split into simpler sentences: In 1965, she returned to the U.S. on her own and attended Antioch College, where she majored in literature and graduated in 1970. She also spent a year at the University of Munich.