trigger

The problem is all this could become otiose if Donald Trump imposes huge tariffs on Chinese imports and triggers a global trade war.

Some, including providing modern battle tanks and fighter jets to Ukraine, have since been crossed without triggering a direct war between Russia and Nato.

She subsequently had to have a hysterectomy and then went through an early menopause that triggered mental health issues and self-harming.

Biden's time in office did see flare-ups in relations with China, including a spy balloon saga and displays of Chinese military firepower around Taiwan triggered by the visit of a senior US official.

A ladder that fell from another vehicle triggered the accident.