Although Americans have speculated on the issues of large-scale war and terrorism in the past, these issues have now become reality. One issue, the development of biological warfare, is banned by ...

Chemical warfare in World War One Bernd Riegert / js 04/22/2015 April 22, 2015. A hundred years ago the German army became the first to use chemical weapons in World War One.

KS3 History (Environment and society) World War One learning resources for adults, children, parents and teachers.