Final answer:
Valid and spurious causal arguments related to the Immigration and Nationality Act of 1965 were provided.
Explanation:
Valid Causal Argument:
- The growth of Spanish-language media is one example of how the Act increased cultural diversity.
- Footage of protests and old newspaper articles show the public sentiment that led to the Act being passed.
Spurious Causal Argument:
- United States involvement in Vietnam was a cause of the Act, since it began shortly before it was passed.
- The decline of the industrial economy was a direct effect of the Act.
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