What did mencius argue would happen to a ruler who didn’t look after the welfare of his people?
a. he would be killed by god
b. he would lose the right to rule
c. nothing, as it is not the ruler’s responsibility
d. he would lose respect from the ancestors

He Mandate of Heaven depends on the virtue of the emperor; if he does not fulfill his obligations as emperor, then he loses the Mandate and thus the right to be emperor. The Mandate of Heaven would then transfer to whoever would rule best. so the answer is B. He would lose the right to rule

It should be at the center of any map going vertically: the prime meridian, as it passes through greenwich,  england, is considered 0 degrees longitude