Passage 1 indicates that socio economic progress for african americans has been slow because of

Based on Passage 1, slavery was the reason why socio-economic progress for African Americans has been slow.

During the 17th and 18th centuries, slavery was rampant throughout American colonies. Through the manufacture of lucrative crops like cotton and tobacco, the African slaves helped establish the new nation into a powerhouse of economy.

African Americans climbed into the upper middle class in large numbers during the 1980s.

what are local authorities doing to fix the problem

explanation:

no statements but ok.

the statement that best describes the idea of manifest destiny that was used in the 19th century would be that "it was fate that the united states would continue to  expand westward," since people thought the us was "destined" to do so.