Only $15? Delta charges $25. Frankly, with oil prices so high, its a reasonable expense, albeit, surprising and annoying.
So then, by your own definition, everyone in the world that was born before say, 1500 AD, was a pedophile.
Considering most of our contributions to Africa tend to be military in nature, like bombings of ineffectually governed sovereignties like Somalia or securing oil fields, I'm going to say no. When America decides that not every situation require a military solution, which will likely be never, then I'd say we should increase health assistance. But only in the cases where our foreign policy has actively wreaked havoc.