Complex sentence: Later, unable to support himself and family, the Benjamins returned to Berlin, and resided with his parents; in 1921, he published the essay "Kritik der Gewalt" (The Critique of Violence).
Split into simpler sentences: Later, unable to support himself and family, he returned to Berlin and resided with his parents. In 1921 he published the essay "Kritik der Gewalt" (The Critique of Violence).