The British offered packaged meals for the victims of hurricane Katrina. The Americans rejected the meals as they contained British beef. Fully story here:
http://news.bbc.co.uk/1/hi/uk/4344168.stm
So, who is right? The end of that story is an interesting read. The meals are sat in an American warehouse and the Americans are happy to forward them on to other parts of the world where food is required.