Answer:
I think the structure is cause and effect. They choose to put the titles this way so the reader will have an idea about what they are reading. And lastly “Top Food Chain”
Because he never got those things at his own home from his parents, so the only time he ever got any kind of attention was when he was with the others
"no longer required to engage in deeds whose gravity exceeds the demands of their tender years."
direct quote from his speech, hope it helps