A is correct. “My Country, ‘Tis of Thee” was written by Samuel Francis, when he was 23 years old.
a.) My Country, Tis' of Thee
The hymn referred to is "My Country, 'Tis of Thee," also called "America," which shares its melody with "God Save the Queen." It was written by Samuel Francis Smith in 1831 and expresses patriotic themes of liberty and national pride. Therefore, the correct answer is option A.
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