<span>The sentence "Mommy wasn't even approachable on the subject of her son" supports the inference that the author's mother was aware of Russell's condition. The fact that no one was or is able to speak to her about what may be going on with her son tells that she was aware of what issue he may have had.</span>
It matches because Eleanor helped the soldiers and the quote is saying its your choice if you want to help the world, or just do nothing and Eleanor helped the world.
