explain this poem as a poem of vanity the strange meeting

Owen cites vanity as the reason so many have joined the war. He sympathizes with their feelings of immortality and rashness because of the way their senses have been appealed to; propaganda, seductive recruiting, social pressures. Vanity also affect the family, in that their own feelings of vanity lead them to give of their boys for the good of their country. Death is seen as far more preferable to disgrace.