Your answer is B the cotton gins
The Trail of Tears ended in present-day Oklahoma. This forced relocation began in Georgia and moved most of the Cherokee and other southeastern tribes to Oklahoma, which was then called Indian Territory. This relocation resulted in the deaths of many Native Americans and was clearly rooted in the racist attitudes of white Americans at that time.
It was his painting of the Baptism of christ i believe where he painted the kneeling angel and worked on some of its background.