11. Who gave the emperor the power to rule under the Mandate of Heaven? A. a majority vote of the people
B. the army
C. priest-astronomers
D. the gods

I think it is the Gods.

Explanation:

They used oracle bones, and it told they burned the bones for answers from the Gods.

in 1803 the louisiana purchase took place, doubling the size of the country. by 1840 almost 7 million americans had migrated westward in hopes of securing land and being prosperous. the belief that settlers were destined to expand to the west is often referred to as manifest destiny.

explanation:

they made rome the dominant power in the mediterranean.