Preface: Ryukyu: The Key to the Diaoyu Islands Dispute.- Trade with China.- Satsuma Invades, Captures Ryukyu's King, Executes Its Prime Minister and Brings It to "Dual Subordination" Status.- In Its First Step to Incorporate Ryukyu, Japan Dethrones King Shō Tai and Makes Ryukyu a Domain.- On the Pretext of Protecting Ryukyuans, Japan Invades Taiwan.- Mindful of Past Kindness, Subjugated Ryukyu Tries to Continue China Tributes.- Minister He's...