Conversation so far:
when is guard of honor given in football
Association football teams have shown their respect to teams in their own division which have already won their league title forming a guard of honour
is a guard of honor compulsory in football
It is not compulsory for any club to provide a guard of honour for the newly crowned League champions but it is a ceremony agreed between the two clubs

Question: is the guard a tradition of the modern era
Self-contained rewrite: is the guard of honor in football a tradition of the modern era