 Complete the following phrase:  Soon after his first visit to Palestine and his Zionist conversion, Janco began painting landscapes in optimistic tones, including a general view over Tiberias and bucolic watercolors. By the time of World War II, however, he was again an Expressionist, fascinated with the major existential themes. The war experience inspired his 1945 painting Fascist Genocide, which is also seen by Grigorescu as one of his contributions to Expressionism. Jancos sketches of the 