Final answer:
The use of words like "Welfare" and "Liberty" in the Constitution's Preamble demonstrates the concept of Diction.
Explanation:
The use of words such as "Welfare" and "Liberty" in the Preamble of the United States Constitution demonstrates the concept of Diction. Diction refers to the choice of words used to convey a specific meaning or tone, and in this case, these words were carefully chosen to represent fundamental values and principles.
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