Personification because it's saying the river knows as if it is a person or higher being.
The statement that best describes the author’s viewpoint about the people who learned to decipher the Enigma in The Enigma Machine is that (B)They played a very significant role in helping Allied forces.
Here are the following choices:
A.They deserved more recognition for their service than they got.
B.They played a very significant role in helping Allied forces.
C.They should not have tricked the Germans by sending false codes.
D.They were not as important as the soldiers on the battlefield.
Seclude means to keep a somebody away from other human beings.
While, segregate means to separate. For example, in US History, African Americans were segregated from white Americans.
So seclude is used for one person, while segregate is used for groups of people or things.