Roosevelt talked not only about Freedom from Fear, but also Freedom from Want.
It's not so unusual to run out of someone else's currency.
The essence of Africa's crises is fundamentally it's extreme poverty.
In Asia, a lot of successful economies that had been living on their own saving, decided to open up their financial markets to international capital in the early 1990s. So here were countries doing quite well, but they decided to borrow a bit more and do even better.
America's government is not even aware of the gap between its commitments and action, because almost nobody in authority understands the actions that would be needed to meet the commitments.