Lingering issues that caused friction between Japan and Korea include all of the following except:
1. the Japanese demand for economic compensation for its extensive investments in Korean transportation and industry in the decades after 1910.
2. the Japanese conscription of Korean women as prostitutes during World War II.
3. discrimination in Japan against Korean residents.
4. the failure of Japanese textbooks to truly portray and discuss Japans military atrocities during World War II.
5. Japans failure to express formal remorse for its actions during World War II.