 Koxinga hoped to recapture the mainland China from the Qing, using the island as a base of operations.
<clarity>  Koxinga hoped to recapture the mainland China from the Qing, using the island as a base of operations.
 Zheng dynasts used the newly-owned island as part of the loyalist movement aiming to reclaim the mainland China from the Qing, using the island as a base of operations.