The correct answer is China and South Korea, as both countries have made remarkable efforts to increase forest cover through various initiatives. China's Great Green Wall and South Korea's post-war reforestation programs highlight their significant accomplishments in this regard. Other options either face deforestation challenges or do not represent countries known for substantial increases in forest areas.
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China and South Korea are notable examples of countries that have significantly increased their forest cover through reforestation initiatives. China's Great Green Wall and South Korea's post-war reforestation efforts highlight their commitment to enhancing forest areas. Other listed countries face varied challenges regarding forest preservation. ;