Complex sentence: In 1928, Koch traveled to the Soviet Union to build oil refineries, but he came to despise communism and Joseph Stalin's regime, writing in 1960 that he found the Soviet Union to be "a land of hunger, misery, and terror".
Split into simpler sentences: In 1928, Koch traveled to the Soviet Union to build oil refineries, but he came to despise communism and Joseph Stalin's regime. Koch wrote that he found the Soviet Union to be "a land of hunger, misery, and terror".