Why does douglass view this invitation to speak on the fourth of july as an act of tokenism

Tokenism is when someone does something out of political correctness or for a symbolic effort. Douglass begins his speech asking why he's been asked to speak on the Fourth of July when the people he represents do not have the rights the Declaration of Independence affords all Americans. He views his invitation as one that was done for symbolic effort to try to show that African Americans are part of America but in practice they are not.

"She would always treasure that summer she learned how to swim."
It suggests a lesson learned, a result, which the other options suggest unresolved conflict and action.