deterrent

The guards—who could be armed or unarmed depending on the community’s preference—are seen as a deterrent to potential thieves.

They argue that traffic stops — if conducted properly and constitutionally — are also a deterrent for erratic driving.

"Is it going to be a deterrent ? I think people will need to be extremely careful when they're coming into the city," she added.

Pressuring Russia on other fronts could be its own deterrent.

Mother Caroline Willgoose says "kids are going to school frightened" and the installation of knife arches could be a deterrent to crime.