What is one geographic and one cultural feature of the U. S?

Appalachian Mountains. The Appalachian Mountains may be some of the oldest mountains on earth and cultural feature is how the land and the weather and the water

Explanation:

One cultural feature of the US is that we are a melting pot of different cultures, and one geographical feature of US are the mountains like the Appalachian Mountains and Rocky Mountain, and the Grand Canyon.

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.