The dred scott decision of the u. s. supreme court:
a) freed dred and harriet scott extended
b) the missouri compromise line to california endorsed
c) the "free soil" policy of the republicans declared congress could not ban slavery from territories backed
d) the idea of "popular sovereignty."

this doesn't support enough information to answer the question.

d. the polar jet stream   lies between the polar easterlies and trade winds should be your answer

the answer is solomon northrup. he was a free-born african american, abolitionist and professional violinist that was drugged, kidnapped and sold as slave in 1841 and remained in captivity until 1853 where he regained his freedom with the of the then-governor of new york, washington hunt. he wrote and published his memoirs "twelve years a slave" in 1853, and in this text, he tells the story of his escape thru one of louisiana's swamps (the great pacoudrie swamp) in which he ended up covered in green slime from crossing the surface of the dead water.