What disturbs sam most about hally’s memories?

 The correct answer is : What disturbs him most is that Hally forgets that his friendship with Sam and Willie can bring them trouble.

Explanation:  Hally cannot see that he and his family are in favor of racism and oppression, but he was a lonely child who had no good relationship with his father. Hally is a white boy and Sam and Willie are black. This friendship was not well seen and was forbidden. Hally shares with Sam racist jokes.

salmon were fished in puget sound.

by 1880, germany had more rail lines than great britain and russia.