11.   The dispute began when the board hired a superintendent to whom Crew objected because students at the school where the superintendent had been a principal performed poorly.

12.   The dispute began last year, when the Wright County Library Board in southern Missouri filed a claim to the rights.

13.   The dispute began when Occidental set out to obtain an environmental license to conduct seismic studies in the region.

14.   The dispute rapidly began drawing in clerics in Egypt, Jordan and North Africa.

15.   The dispute began about six months ago, when the council invited Hornell to provide evidence that the tea aided memory function.

16.   The dispute began in July when McCarthy, a World Wide Web consultant, sent McCahan a series of electronic mail messages.

17.   The list-swapping dispute began in May, when a contributor to WGBH received a solicitation from the Democratic Party.

18.   The most recent dispute began over fees to transport cargo from Cartagena to Bogota.

19.   The mayor made it clear he has not forgotten how the dispute began in December, when diplomats from Russia and Belarus scuffled with New York City police officers.

20.   The price-discrimination law has been cited in only a single FTC case since the bookselling dispute began eight years ago.