Final answer:
The constitutional requirement for becoming President is being a natural-born citizen, at least 35 years old, and having been a resident for 14 years.
Step-by-step explanation:
The constitutional requirement for becoming President is that the person must be a natural-born citizen of the United States, be at least 35 years old, and have been a resident of the country for at least 14 years. From the given options, the person who meets this requirement is the American politician who became a citizen in 1964 and is now 60 years old.
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