ocr: In: recent years, Nigeria has largely managed to contain the passions generated - by the ethnic, religious and language ditferences that characterize its people. There is: intense rivalry between the three main ethnic sroups, as well as among the 245 smaller ones. Members of one group tend to blame those of another for their problems, rather than the broader political system. Religion is a particular source oftension. Uutbreaks of communal violence, particularly in the north, are frequently attributable to clashes between Muslim fundamentalists and Christian proselytizers. Exceptin the Islamic ...