That's not simply stating she's black. That is using the race card. People can't possibly be opposed to her because she's pro-choice (despite the topic of this thread) - it must be because they are closed-minded racists and sexists. It's exactly the same tactic used by the left to shut down any criticism of a black candidate, no matter the reasoning behind that criticism.
I'm not sure how you could expect anyone to take your post any other way.
You can say that I used the race card. I will say I didn't.