How the Mandate of Heaven and Tributary "System" Work in Ancient China

#History #Documentary #Asia How the Mandate of Heaven and Tributary "System" Work in Ancient China
from Medieval History Book https://l.facebook.com/l.php?u=https%3A%2F%2Fyoutube.com%2Fwatch%3Fv%3DHIed-_gf-to%26feature%3Dshare&h=AT0FZBhFZo3lhkkF-hOKEn7dMS73YvY-Hg6fYpG0s_CnkmDeAu8YWe9UjeiVT15_E6RFMsOvH9NLZ1eYwmoKT59kaX8vo1PpLflAEteVZreJ7WT-yWC2GMgxFjpOEzzP&s=1
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