to carve; carved words; to agree; a contract; a deed

opportunity; turning point

Cheka, a Soviet secret police agency, forerunner of the KGB

agreement; to agree; to get on with; congenial; agreeing with; to ally oneself with sb

Qidan or Khitan, ethnic group in ancient China, a branch of the Eastern Hu people inhabiting the valley of the Xar Murun River in the upper reaches of the Liao River 遼河|辽河[Liao2 He2]

adoptive mother

adopted son

deed

arrow used as a token of authority (by field commanders)

Anton Pavlovich Chekhov (1860-1904), Russian writer famous for his short stories and plays

History of the Liao Dynasty, 13th-century book on the history of the Khitan Empire (916-1125)

contract bridge (card game)

culture of honoring contractual obligations

Chesapeake Bay