Using weapons to defend homes cities and countries has been a tradition thatstretches back through all of human history. With the advent of weapons such asguns ... » 

Using weapons to defend homes cities and countries has been a tradition thatstretches back through all of human history. With the advent of weapons such asguns dynamite automatic weapons and weapons of mass destruction the worldhas been irrevocably changed. The simple weapons of the past were used for oneonone encounters but modern inventions have enabled people to strike atthousandseven millionsfrom the comfort of a war room an airplane even atelephone. «