Answer: The groups against the abolition of slavery are slave traders and cotton plantation owners of the southern United States, while the groups in favour of abolition of slavery are abolitionists in the United States and fugitive slaves.
Explanation: Slavery is the condition of owning slaves, that is to say people that work hard for other people without receiving a remuneration for it. Therefore, slavery can be defined as the exploitation of human beings.<u> Slavery </u>existed in the United States until the 19th century and it <u>was one of the causes of the Civil War</u> (1861 - 1865<u>), which was fought between the people in the North, who, together with fugitive slaves, were in favour of the abolition of slavery, and the people in the South, including cotton plantation owners, who were against the abolition of slavery.</u> Slave traders were also against the abolition. However, slavery was finally abolished in the United States in 1865.
