trench warfare
To protect themselves from attackers.
Greek & Roman armies :D
yes they were opposing teams well the Greeks won 4m a trickery
the Trojans and Achaean
England
A battlefront is the region or line along which opposing armies engage in combat.
Group,side,opposing forces,squads,armies,red and blue.
to make the opposing allies scared of them .
to make the opposing allies scared of them .
it was Zeus and people supporting him against posidon and people supporting him.
they portected them by having armies and they had parties
I believe that was only in WWI. And Germany and Austria-Hungary were in Central Europe.