"Temporary structures and a migrating food source" would not be a characteristic of a civilization, since for a civilization to exist there needs to be permanent infrastructure and establishments.
It was because Adolf Hitler was in charge of Germany at that time and wanted to conquer many countries
I would go with D. All of the above. Even though I don't know about the Song/Tang Dynasties, I know for sure that they invented those things. So it is D.
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Nationalism led to major conflicts following World War I, especially when: in 1915
Answer:
In September 1620, during the reign of King James I, a group of around 100 English men and women—many of them members of the English Separatist Church later known to history as the Pilgrims—set sail for the New World aboard the Mayflower. Two months later, the three-masted merchant ship landed on the shores of Cape Cod, in present-day Massachusetts.
In late December, the Mayflower anchored at Plymouth Rock, where the pilgrims formed the first permanent settlement of Europeans in New England. Though more than half of the original settlers died during that grueling first winter, the survivors were able to secure peace treaties with neighboring Native American tribes and build a largely self-sufficient economy within five years. Plymouth was the first colonial settlement in New England.