The other side wanted to kill our people to prevent an invasion of their home island.

The law was designed to help prevent invasion and to keep morale at home high.

They took various measures to prevent a major Roman invasion.

This was done for political reason, mainly to prevent Russian invasion.

The eviction alone, he said, would not prevent future invasions.

He was assigned to live there to prevent an alien invasion of the planet.

Scrub is kept under control to prevent invasion of the grassland.

At the moment, we are not very good at preventing invasions.

He also called on the leader of the army to resign to prevent an invasion by the United States.

As in Korea, the bases may be an effort to prevent calamity and invasion.