"The Strongest" (1915) was painted by the Italian artist Fortunino Matania (1881-1963).
It shows a scene from WW1, where a young boy is making fun of the oppressor. Judging by the French text on the left, it is a French (or Belgian) boy sticking out his tongue to the German soldier, while his mother is avoiding any contact with the soldiers. And the soldier seems uncertain how to react to this…