Each article took up a large part of the front page and continued into a later page. This constant talk is like an itch that gets scratched but never quits itching. Differences of almost any kind raise the ire of neighbors.
Religion is one.
The situation in Northern Ireland is a good example. The Protestants and Catholics have been at each other's throats for centuries. Another case is the Hindus and Muslims of India. There are now sporadic clashes between the two nations and each has nuclear weapons pointing at the other. Language is also divisive.