Answer:
It emphasizes and connects his points to one logical conclusion.
Explanation:
Answer: A) oppression and segregation imposed upon African Americans.
Jackie Robinson was the first African American to play in Major League Baseball (MLB) in the US. He was also involved in the Civil Rights Movement and was an advocate for integration.
In this letter, Robinson addresses the "treatment" he and others have experienced. Although he does not explain what the treatment is in this section, it is reasonable to assume that he is referring to the discrimination and oppression imposed upon African Americans. The other options are events that are too specific or recent, while Jackie states that the treatment has been going on for years.
The term comrade in Animal Farm is important because it means a friend who is also an equal, as the other answer notes. However, its main importance is its contribution to the allegory of the story. Comrade is the official title used among people in Communist countries such as the Soviet Union. Animal Farm is a metaphor for the rise of the Soviet Union, and so the term comrade is used by the animals to refer to one another.