Answer:B and C
Explanation: A: Slavery was abolished after the Civil War. D is untrue.
The need for a stronger Federal government soon became apparent and eventually led to the Constitutional Convention in 1787. The present United States Constitution replaced the Articles of Confederation on March 4, 1789.
B) a states' rights issue started by South Carolina
A <span>Nullification Convention
was held in South Carolina, where the state declared that the Tariffs of 1828
and 1832 were unconstitutional and refused to enforce them
</span>If this helped, please mark brainliest :)
<span>Karl Marx was a German philosopher and revolutionary socialist Karl Marx published The Communist Manifesto and Das Kapital, anticapitalist works that form the basis of Marxism.
Marxism is </span><span>the political and economic theories of Karl Marx and Friedrich Engels, later developed by their followers to form the basis for the theory and practice of communism.</span>