John of Damascus was the most ardent defender of icons. Iconoclasts, meaning "icon breakers" were those who were against the practice. They feared it would lead to idolatry, forbidden by the bible. He wrote many amounts of writings on the topic of icons that remains today.
They would hae blackouts to prevent them from being spotted by bombers in the sky. Street lights would be turned out and people would hand blackout curtains to block the light from inside their houses
