ravage by, from, on, through or with?

Another country that has been ravaged by war is Chad4.

Africa is a continent ravaged by conflicts and instability.

This year, Colorado has been ravaged by wildfires that burned an area six times the size of Manhattan.

He believes that without NATO intervention, Libya would be where Syria is now, ravaged by a seemingly endless civil war.

Africa is ravaged by so much civil war and internal strife that few people even bother to check which groups can be labeled terrorist.

In essence, The Last of the Mohicans is an epic adventure/romance set against the panorama of a frontier wilderness ravaged by the French and Indian War.

Yet such had been the earlier successes in 1914 that the Germans had surrendered before the fighting reached their borders, so their own territories were not ravaged by marching armies.

We were hungry for more, ravaging through the problem set trying to find something that was waiting for the bash.