Answer: He thought it was wrong that African Americans could not play.
Explanation: The author's purpose for including this paragraph is to explain the resistance that Branch Rickey willingly took on in an effort to being the process of ending segregation in Major League Baseball. This paragraph serves to explain that there were people off the field who also helped revolutionize the game.
Hope this helped
:D
<span>(D.) endorsement
It means ; "</span><span>An act of giving one's public approval or support to someone or something."</span>
Well could you include the text?