Final answer:
Sor Juana Inés de la Cruz became a nun to pursue intellectual interests and religious devotion within the limited opportunities available to women in colonial Mexico.
Step-by-step explanation:
Sor Juana Inés de la Cruz became a nun due to her desire for intellectual pursuit and religious devotion. As a brilliant scholar and writer in colonial Mexico, Sor Juana faced societal expectations that deemed women's education as unnecessary and unimportant. Joining the monastery allowed her to continue her studies, write prolifically, and engage in intellectual discourse without the restrictions imposed on women in secular society.
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