Mao Zedong's key accomplishments included dismantling the Nationalist Party and redistributing land to farmers in China. His leadership established a single-party state and altered the agricultural landscape significantly. However, he did not support business owners or gain control of Taiwan. ;
Mao Zedong accomplished the systematic dismantling of the Nationalist Party and the redistribution of land to farmers in China. His regime established a socialist economy that did not support business owners. Therefore, the correct answer to the question is C: He redistributed land in the countryside to farmers.
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