Rise of the Jurchen tribes in Liao's northeast

Timeline

1. 1071–1075Hesuguan Circuit and Jurchen stockades · Northeast ChinaLiao managed the raw and cooked Jurchen tribes through pacification, tribute, and military deterrence; the tribes competed for fishing and hunting resources and alliance status, with the Wanyan clan's power around the Achu River gradually growing.
2. 1076–1080Wanyan tribe settlement on the Achu River · Northeast ChinaThe Wanyan clan expanded its control through marriage alliances and campaigns against neighboring tribes, with tribal alliance mechanisms gradually maturing; Wanyan Aguda was born some years before this, growing up in a period of rising tribal strength, storing up manpower and military tradition for the later founding of a state.