mushroomed

It has happened this year, as Israel’s war against Hamas in Gaza mushroomed into a regional conflict, including an Iranian missile attack against Israel.

The program is a critical component of Breed’s high-profile campaign to more forcefully clear out the sprawling tent encampments that have mushroomed across the city in recent years.

And as the insurgency mushroomed, people began to blame the foreign forces.

Junk fees — hidden, mandatory extras added to your final bill — have mushroomed in recent months, and travelers are crying foul.

Mr. Biden has sought to walk a careful line in recent days as protests have mushroomed and in some cases led to suspensions and arrests.