Answer:
The 11th president of the United states was James Knox Polk
The sentence from the autobiography that best demonstrates Douglass's main idea that slavery is dehumanizing would be "<span>He [master] was a cruel man, hardened by a long life of slaveholding," since this shows both the short and long-term changes. </span>
Compared to time in earth's history before humans appeared, rates of soil erosion are "higher", due mostly to the fact that some human activity associated with building structures adds to this erosion.
The correct answer is True! I hope this helps!
