It is going to be a run-on-sentence I think
It's a dove because it's white and pure
I would say it is a. appeal to authority. hope this helps.
Part 3 is included because it is a critical point in the act. Because of discrimination on multiple factors (including race, gender identity, sexuality), people are not able to, as the passage states, "compete on an equal basis". To prevent segregation, acts are made to try and eliminate any kind of way that a person can be discriminated against. This is why the authors include Part 3.
The answer for this question is B. Is