Well without full context I would assume Trench Warfare because thats what 3 1/2 of the 4 year wars where full of.
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the availability of iron and coal, discovery of the New World, and an energetic scientific community.
Explanation:
Answer:
Missouri Compromise, measure worked out in 1820 between the North and the South and passed by the U.S. Congress that allowed for admission of Missouri as the 24th state. It marked the beginning of the prolonged sectional conflict over the extension of slavery that led to the American Civil War.
Explanation:
Answer:
The early leaders of the Zhou Dynasty introduced the idea of the "Mandate of Heaven". ... The government of the Zhou was based on the feudal system. The emperor divided the land into fiefs that were usually ruled by his relatives. The nobles who ruled the fiefs basically owned the farmers who worked their lands.