We have spent our lives in constant warfare against our environment.

Chinese people had witnessed conflicts and constant warfare much across China.

For almost 10 years, the land around the castle was in constant warfare.

The constant warfare led to the fall of the city, and its breaking point was reached due a plague that happened in years 1708-1710.

Since then, the world has lived in a state of constant warfare.

However, the society was tired of constant warfare, the last uprising having ended only two years before.

He knew, from his constant warfare against criminals, that the best defense was attack.

There was a chance to put an end to the constant warfare.

Maybe constant warfare between the two races, neither quite able to finish off the other.

She might live on in constant warfare for years, decades, generations.