People disagree; it's simply human nature. But learning how to settle disagreements does not come naturally to everyone.
There are multiple avenues available to people who are seeking to settle a dispute or conflict. According to the American Bar Association, there are 22 different methods of dispute resolution commonly in use. The ABA's number may seem higher than what many other authorities cite because it includes several legal methods and strategies that would typically be grouped together under the single heading of "Sue the Bastards!"