Marines were landed five times to protect Americans during periods of unrest.

But following the period of civil unrest, no tigers were sighted there.

Her mission, as in the past, was to observe conditions and protect American interests during a period of domestic political unrest.

They married in 1969 and fled Trinidad during a period of unrest.

The city, like the country, was going through an extraordinary period of unrest.

Human rights violations are most frequent during periods of political unrest.

The hospital was destroyed during the long period of unrest in the country.

Like rest of the world, it was a period of great unrest in India too.

This was followed by a period of unrest that ended with the French invasion in 1794.

White served during a period of great unrest among the nation's farmers.