Historians have often pondered whether the war could have been avoided. He then pondered and said none of these could be why and kept asking why. Geometrical problems involving tangent circles have been pondered for millennia. He's behaviour as emperor surprised and disappointed Huo Guang, who pondered his options. Eumenes was placed under guard while Antigonus held a council to pondered his fate. In a 2009 essay, Foner pondered whether Reconstruction might have turned out differently. The question they pondered the most was how the individual must act under a dictatorship. "What is the point of life?" is a question Vonnegut often pondered in his works. During his time at the wheel, he pondered his divine challenge. She pondered whether he was planted by "the Police State". Gluck had long pondered the fundamental problem of form and content in opera. He pondered also the nature of that bond. Many feminist critics have pondered the reason for the character's iconic status. He subsequently pondered setting up a rival body. In the late 19th century, Lord Kelvin pondered the possibility of a theory of everything.