Countries were more cautious about coming into contact
Which of these indicated that the Tang Dynasty had lost the Mandate of Heaven? (4 points)<span>military defeats, rebellions, and economic troublesearthquakes, economic troubles, and isolationismrebellions, mass migrations, and military dictators<span>crop failures, reduced exports, and weakened currency</span></span>
I think it’s a but I don’t have much knowledge
B. to set a precedent means to do something that's never been done before
