Together, these incidents have only contributed to a crisis of confidence in international sports.

This incident may have contributed to his decision to leave Africa.

The incident has contributed to a deterioration this week in relations between the two nations after more than a year of improvement.

Several recent incidents have contributed to the rising tensions.

It is possible that these incidents may have contributed to his decision to leave Hobart.

This incident, in the end, contributed positively to his overall campaign.

The incident may have also contributed to Kennedy's long-term back problems.

The incident contributed toward Michael's failure to win the drivers' title that year.

These incidents also contributed to him not returning home.

But the incident contributed to wider concerns about the president's health.