They believed the land was rightfully theirs and that they had to conquer it, so they passed policies that could allow them to spread out among the nation and gather more land for the United States.
Germany lost World War I. In the 1919 Treaty of Versailles, the victorious powers (the United States, Great Britain, France, and other allied states) imposed punitive territorial, military, and economic provisions on defeated Germany. In the west, Germany returned Alsace-Lorraine to France.
The Arab country to tried to achieve peace with Israel was Egypt. The Egyptian president Anwar Sadat signed a peace treaty with Israel. The international reaction was that of shock. Because Egypt became the first ever Arab country to sign a peace treaty with Israel that officially recognized it as a country. Because of this, Egypt temporary was suspended from the Arab League and Anwar was assassinated.