działania wojenne in English:

a germ warfare

He has a good mind for warfare, his men worship him.

To them warfare was not a romantic notion but a harsh reality in which soldiers kill and are killed.

Although government and military agencies were among the first to explore drones for their warfare capabilities, these winged devices are now also marketed to kids,(...), and just about anyone who can benefit from a viewpoint in the skies around them.

The art of modern warfare does not necessarily require soldiers to be armed to the teeth to be effective as combatants.

Such employments as warfare, politics, public worship, and public merrymaking, are felt, in the popular apprehension, to differ intrinsically from the labour that has to do with elaborating the material means of life.

Trench warfare characterized the 1914-1918 War.

They began to prepare for possible hostilities.

The people who are trapped between the two armies may not live to see the end of hostilities.

I hope that a ceasefire will put an end to these hostilities.

reduce hostilities