"conflicts occurred" is correct and usable in written English.
It is a simple past tense statement that expresses action in the past. You can use it to describe a situation in which two or more parties have become involved in a disagreement. For example: "Several conflicts occurred during the negotiations, and both sides were unable to reach an agreement."
The conflicts occurred as campaigning heats up for national elections, which are expected in October.
Crew members said that tensions were at times unavoidable, though no major conflicts occurred.
Originally settling on the coast, the Dutch or Boers later moved inland to the Highveld region, where a series of military conflicts occurred between them and the Bantu speakers in the 19th century.
One of the major conflicts occurred in the late 1960s and early 1970s between conservationists and petroleum companies over the proposed Trans-Alaska Pipeline, which now runs from the oil-rich North Slope on the Arctic Ocean to Valdez, in the south.
Respondents reported that conflicts occurred with mainland Sulawesi fishermen when they prevented the Laingpatehi people from purse seining around the fish pontoons.
It should be noted that the admitted collective disputes by arbitral institutes may not reflect the severity of collective labor conflicts in China's transition for the reason that many conflicts occurred before or after arbitration proceedings.
When those conflicts occur, courts sometimes authorize lawyers to act against the express wishes of their clients.
Elephants have corridors they follow according to the seasons, Mr. Sawadogo said, and "usually conflicts occur because farmers have begun raising crops on those corridors".
Manuscripts and grant applications are written but rejected, career plans go awry, students struggle, interpersonal conflicts occur, job applications are unsuccessful.
For example, Figure 2c shows that some conflicts occur.
When long bursts of conflicts occur for a particular bank, the conflict resolution system becomes ineffective.
