Which of the following developments most directly related to the increased sectional strife immediately prior to the election of 1860?

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.

he is known for discovering   the fossil of a female hominin australopithecine   known as "lucy" in the afar triangle region of hadar, ethiopia.

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these civilizations were located around fertile rivers, where they could produce an abundance of crops

mutation is when you body morphs to something odd or bad looking (no offense)