choose whether the italicized sentence supports the key sentence.
key sentence: alexander solzhenisyn has had much tragedy in his life.
his book one day in the life of ivan denisovich tells the story of the cruel treatment he received in siberia.
no
yes

Yes, It supports the key sentence.

Explanation:

The key sentence starts with the tragedies that  has suffered Alexander in his life and then it continuos with the life of another man. Both facts are related because of the book.

major league baseball

explanation:

jack roosevelt robinson broke the color barrier in major league baseball.as he was the first african american to play in the major leagues, jackie robinson became the target of racial abuse. jackie robinson is referring to the historic event, harlem riot.