What was the effect of Pope Leo III's coronation of Charlemagne?
It united the people of Charlemagne's empire.
It demonstrated shared power with Charlemagne's enemies.
It divided people into social classes.
It weakened the pope's position in the church.

switch around #3 and #4

explanation:

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china unilaterally claims the entire south china sea as sovereign territory, then builds artificial islands to bolster its claim. it suddenly activates an air defense identification zone over the east china sea, and threatens to down any aircraft that does not report its position. it builds roads into indian territory, then redraws the maps to show that it is actually chinese territory. the people's republic under president xi jinping is quickly becoming the bully of asia.

in 550 b.c.e. cyrus the great, the leader of the persians, conquered the medes and united the iranian people under one ruler for the first time. cyrus became the first king of the persian empire and went on to establish one of the largest empires in world.