Answer:
The answer is C, King Lui misused the Mandate of Heaven.
Actually every single one is correct, A<B<C they all are factors in the decline of Sumer.
Variation in the relative frequency of different genotypes in a small population, owing to the chance disappearance of particular genes as individuals die or do not reproduce.
C; they want items that they don’t have there. This is the only way to get it.
