I'd say he relies on mathematics since it's "<span>to keep track of sales."</span>
Answer: C) Zionism and E) the Holocaust
Explanation: Zionism is a movement that initially advocated the re-establishment of the Jewish state of Israel. Since that this goal is fulfilled, this movement still exists, advocates the development and protection of the Jewish people in the existing state of Israel. Zionism was officially established as a political organization in 1897. This movement has always advocated the re-formation of the Jewish state, and it must be said that the desire existed among the Jews for centuries.
Although there were many promises and agreements signed, only after the Second World War, and the surviving Holocaust, the United Nations issued a resolution that was officially allowed the Jews to return to Palestine and create their own state.
<span>Learn about the Columbian Exchange, the movement of plants, animals, and disease between the Americas and the rest of the world, in these video segments from Chronoscope: Exploring 1492: “Columbian Exchange." The positive and negative consequences of the Exchange became clear almost immediately. People on both sides reveled in new foods and animals that made their lives richer and easier, but suffered as well when old ways of life were disrupted.</span>