Iraq definitely served our interest because of the amount of oil they have. We want to make them democratic so we can get cheaper oil. If we were so great, we would be going into those poorer African countries who are killing each other.
Those humanitarian funds are non-profit institutions, not the government. Are we talking about the government here or any institution?
The Euro is not breaking down the dollar. If you understand finance, since the loan rate of the dollar (federal interest rate) goes down, the value of the dollar goes down. This is controlled by our OWN government. If the Euro's interest rate does not get lowered by the same amount, then the Euro is worth more. There are other factors as well, but I believe this is probably the biggest one.