Here Nakamura depicted the protest against the expansion of the US military base in Tachikawa. The most violent incident during the protest is remembered as Sunagawa Struggle on May 4, 1955, which is the subject of this painting.
Several images of mother and child are layered to show the expected roles of mothers across the society. The cult of motherhood was one of the discourses to support the nationalist ideology for illusory unity during the war.