bone of contention

Irish language was a major bone of contention for years between Sinn Féin and the DUP and this upcoming court battle has reignited the tensions that had mostly cooled down.

To continue the analogy, the way was clear for an invasion of Mexico only after the U.S. had concluded an agreement with Britain over division of the Pacific Northwest, long a bone of contention.

“You know, there are things that I don’t entirely agree with. But it’s difficult for me to bring that up in an interview because then it creates a bone of contention,” he added.

There should also be plenty of finance available for him to finally bring in a prolific centre forward to get Arsenal over the line in competitions - a bone of contention among supporters.

For Emery and PSG it was worse, not helped by officiating that is still a bone of contention in Paris to this day.