What is a true statement. about the growth of slavery during the early to mid 1800s

All before 1800 and of 1700 all those slavery was decreasing but in early 1800 it again started thriving due to the demand for labors to work on fields. Because of the growth of cotton Gin production in the southern United states during the early 1800.

Earlier the import of slaves was being reduced before 1800 but after 18 not ate the requirement of labor increased in cotton fields to remove the seeds from the Cotton fibres that were present used for which the African American slaves where required thus giving slavery a boost again.