Europe: The average European's opinion of America is lowered even further and I am sure that there would be lots of pressure on european leaders to work together less with us. There would be much more popularity with a foriegn policy platform that had little cooperation with America.
African Americans?
Obviously extreme amounts of anger, that would show itself in large protests and some innercity riots. The Black community would probably radicalize itself more and become even more strongly aligned with the Democratic Party while some extreme radicals become fringe Socialists.
I would expect the recession and tough economic conditions to make the last part of this happen and for animosity between Blacks, poor Whites(which will grow in size as a population pretty quickly) and Hispanics to grow very quickly.
So, long reccesions, race wars and isolationism is in our future? Perphaps we are heading the way of the old Soviet Union as economic weakness, foreign policy collapsed and intensified intranational conflicts create an environment where the country could simply break up. Perhaps we will lose heavily urbanized states, clusters of black counties and the larger Indian Reservations in the break-up.
