Hurricane Katrina and USA Friends - Aid

So the US has a major devestation. Where are our friends to offer aid?  Or is it that the USA is friendly with everyone for our own interest and sake?  I have only heard of Venazeula to offer some help. However, it is more because they actually have refinerines in the area that are not damaged.

 

Personally this is horrible. The USA is always asked and expected to help the rest of the world. Now where are our friends when we could use help? Is this a political issue or a social issue?