Satto complied with these requests without hesitation, as this granted him formal license to trade with the most powerful nation in the region. He sent his younger brother Taiki (泰期) to Nanjing in 1374, as the leader of a mission to formally submit to China, entering into tributary and trade relations.
Satto promptly acquiesced to these demands without hesitation, which granted him official authorization to engage in trade with the most influential nation in the region. He sent his younger brother Taiki (泰期) to Nanjing in 1374 as the head of a delegation to formally acknowledge China's dominance and establish mutually beneficial economic ties.