Chemical warfare is therefore in a condition to produce more formidable results over more extended areas.
Chemical warfare, poison gas first used by Germans at battle of Ypres, Apr.
It is quite clear to us now that only such a mask could be efficient in chemical warfare, but in the early part of 1917 the matter was not clear either to us or to the allies.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "chemical warfare" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
