Intervened

That country intervened in the internal affairs of our nation.

The police intervened in the disturbance.

The teacher intervened in the quarrel between the two students.

In order to prevent a further drop of the Japanese currency, the Bank of Japan intervened in the market to support it at around 150 yen to the dollar.

He intervened and settled the matter peacefully for the time being.

The hockey referee intervened to stop the fight.

Tom intervened in his coworkers' disagreement.

Somebody intervened.

Who intervened?

Tom intervened.