The game is set on Mars, a century after a great upheaval.

This was the period of great political upheaval and instability.

The 1960s were a time of great social upheaval and civil rights activism.

This is a great economic upheaval - and we are only being consulted.

Modern social work is still a new profession, despite the great upheavals of the past 20 years.

What we took for a tempest was some kind of great upheaval.

Too early because it will take some great Continental upheaval to put these islands on their feet.

The two men responsible for the great upheaval in the Bureau's structure eventually left.

Whether it signals a greater upheaval in the entire system is a matter of some dispute.

They were anti-Romantics and lived in a time of great upheaval.