Original sentence: When he came to power in 1961, South Korean per capita income was only USD 72, and North Korea was a greater economic and military power on the peninsula, because North Korea was more industrialized than South Korea under the Japanese regime and due to huge amounts of economic, technical and financial aid which came from the Soviet Union and other communist bloc countries such as East Germany and Poland
Edited sentence: When he came to power in 1961, South Korean per capita income was only USD 72, and North Korea was a greater economic and military power on the peninsula, because North Korea was more industrialized then due to huge amounts of economic, technical and financial aid which came from the Soviet Union and other communist bloc countries such as East Germany and Poland