It is called the doctrine of stare decisis.
Answer:
The US & other western nations responded to the Berlin blockade with the "Berlin Airlift", which was a number of airlifts of resources, building supplies, medical supplies, and even Christmas Presents throughout a period of almost a year. It was successful, and led to the end of the Berlin Blockade.
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The answer is B. E can be eliminated because their ideas originate from the teachings and preachings of Locke. D can be too because no slaves were discussed. Very few, if any Latin phrases were used. If I recall correctly, there are none. A can be eliminated because the navy is not heavily discussed. However, the abuse of power in the hands of a tyrant is discussed.
