Which of the following events contributed to ending slavery in the U. S.?

the bloodey war-lincon

Explanation:

As the bloody war waged on, Lincoln issued his Emancipation Proclamation of 1863, calling for the freeing of enslaved people in areas of the rebellion. And in 1865, the Constitution was ratified to include the Thirteenth Amendment, which officially abolished all forms of slavery in the United States

The U.S. Civil War

Explanation:

i passed my test

representative government

explanation:

american revolution: major events leading to declaration of independence. 1765-1766; tax introduced on legal documents to pay for defense of colonies. 1766: stamp act repealed after merchants protesting due to their goods not being bout and officials being threatened.

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