The phrase "caused a conflict" is correct and usable in written English.
You could use this phrase when describing a situation in which two or more people had opposing views or opinions, resulting in tension. For example, "John's refusal to compromise caused a conflict between the two sides."
Plans to overhaul the pension system have already caused a conflict between the government and the president.
"He'd killed the wrong guys, and it caused a conflict with his supplier back in Hong Kong," Agent McMurray said in an interview.
The first shot of the pilot episode — Rachel seen through the moonroof of a limousine, passed out on the car's floor, wearing a "This Is What a Feminist Looks Like" T-shirt — caused a conflict with the network.
Agnès Poirier is completely wrong in her assertion that while my husband was prime minister I was only able to continue to practise as a lawyer because I could turn down any cases that might have caused a conflict of interest (A journalist as France's first lady? Not a good idea, 11 June).
She explains how the discovery of mummies with Caucasian features in north-west China has pitted nationalists against western academics, and how efforts to film the retrieval of mummies from Andean mountain-tops caused a conflict between scientists and commercial interests.
(Admittedly, I'm a rule fanatic, so it could be that I have so many it caused a conflict. I hesitate to believe that this will be everyone's experience, as I'm something of an edge case here).
"I don't see how she can think that doesn't cause a conflict of interest," he said.
"Let me say this, you don't want to cause a conflict between me and the F.B.I.," Mr. Baca said.
What else? A. One thing I've learned in terms of managing conflict is to challenge people about their assumptions of what's causing a conflict.
Defending criminal suspects pays more for these part-time prosecutors, but the justices said that doing so could cause a conflict of interest.
