Answer:
The founders of the Song dynasty built an effective centralized bureaucracy staffed with civilian scholar-officials. Regional military governors and their supporters were replaced by centrally appointed officials. ... Song intellectuals sought answers to all philosophical and political questions in the Confucian Classics.
Explanation:
Apparently the answer is The village was empty because its original inhabitants had died of disease.
Black holes can indeed move through space. ... Astronomers know about the rapid motion of this black hole because it has a nearby companion star that's slowly being pulled apart by the gravity of the black hole.