This is fanfiction. China isn’t practicing neocolonialism in Africa, it’s engaging in south-south trade that is actually helping African countries escape the trappings of western imperialism. Taiwan was invaded by the KMT when they lost the war, and took over the island. The Xinjiang and Tibet are both doing well and support the PRC, and Hong Kong is gradually doing better now that they aren’t under British colonial rule. Vietnam is a strong trade partner with China.