If any American aid was intended for this country or any country that is intolerant to Christianity or any religion other than Islam, it should be withdrawn immediately. Believers of Islam should rise up worldwide over this and condemn this sort of primal behavior.
I don't know if you're keeping up with current events but we're doing a lot of trade with Nigeria. Very quietly (or not so) the US has developed a 'relationship' with Nigeria.
From a WashPost article (Sorry, its what was Googled-up. I'm sure if you're interested you can find more articles yourself):
http://www.washingtonpost.com/wp-dyn/articles/A49472-2004Dec8.html
"........Nigeria is the United States' fifth-largest supplier of foreign oil and the largest oil producer in Africa. The industry generates billions of dollars a year for the Nigerian government, which owns all oil rights in the country and has a majority interest in every oil company operating here, including its joint venture with Royal Dutch/Shell Group......
.....Oil is so central to Nigerian identity that an image of an offshore rig appears on the 500 naira bill, the nation's largest denomination......."
FYI