Answer:
"Before any meaningful reform could happen, people needed to recognize that the economic benefit was vastly overshadowed by the overwhelming repugnance, immorality, and inhumanity of slavery." meaning every thing change.
He supported civil rights. He helped the racism problem in America by helping to create the Civil Rights Act of 1957. This greatly impacted the country and showed he was a strong supported of civil rights.
The Independence movement in Brazil is different to Haiti in that it was led by Portuguese people living in Brazil who were supporters of the movement.
In Haiti, the movement was supported by the local slaves and colonized people who rose up against French rule after the fall of Napoleon Bonaparte.
Most Latin American movements were indigenous and took decades to become fruitful. Brazil is very different in that, it was a Portuguese colony but the Independence movement against this rule was also carried out by Portuguese people.