Depends. What war are you talking about? If it's WW1, then it's because everyone was stupid at the time and thought their enemies did it and one thing led to another.
One of the major differences between the Catholic Church and the Eastern Orthodox Church is that priests can marry. Priests can marry but must do so before ordination. They can also marry in seminary.
Answer:
After the end of World War Two, the Jewish Holocaust and other Nazi atrocities imposed on the victorious allies a pressing moral issue: What to do with the Jews? The Jewish people needed to be given a country, a land of their own.
Jewish migration to Palestine, a British mandate that existed after WWI and until 1948, significantly increased after the war. Jews bought land from the Arabs, created kibbutzim and purchased property.
In 1947, the United Nations voted a resolution to provide a two-state solution once the British Mandate in Palestine had expired: one state for the Arabs and one state for the Jews. In May 1948, Israel is proclaimed. The Arab people did not acept the UN resolution and rejected it. War erupted, several neighboring nations and Arab Palestinian units attack Israel but suffered a sound defeat. This was the First Arab-Israeli War.
Explanation:
D. They used slaves for cheap labor.