They triggered controversy regarding the idea that entire species of animals could become extinct.

It triggered controversy about the extent of having different civil codes for different religions, especially for Muslims in India.

On April 8, 2011, in a Chicago Tribune op-ed about those risks, Rotunda triggered controversy.

Liliana giving birth at such a late age has triggered controversy in Italy.

In some cases, publicity agents may create "provocative advertisements" or make an outrageous public statement to trigger public controversy and thereby generate "free" news coverage.

The fundamental question that has triggered so much controversy is whether the atomic bomb was needed to force the Japanese to surrender at the earliest possible moment.

A recently discovered object which has triggered controversy over whether it counts as the "10th planet", has now been found to have a moon.

His statements have triggered controversy.

It triggered controversy when the woman was revealed as the girl's biological mother.

However, Barbie Girl also triggered controversy at various times.