 Much of his press activity comprised pacifist and socialist opinion pieces, in which he condemned in equal terms the Entente countries and Central Powers.For a while, he displayed a Germanophile bias, arguing that the Central Powers were the more progressive of two sides and even contributing, in 1915, to the Germanophile tribune "Seara".Nonetheless, Aderca was among the Jewish men drafted in the Romanian Army in the era before full emancipation, seeing action on the local theater and later serving in the war of 1919 against Soviet Hungary.