The archetype presented in the excerpt supports the universal theme of loyalty to one's country and is option (C), i.e., Eteocles defends Thebes against his own brother, proving his loyalty.
<h3>What is the Royal House of Thebes?</h3>
The House of Thebes is named after a place, not a person. Cadmus founded the Royal House of Thebes.
Eteocles has demonstrated his unshakable commitment to the city by choosing to defend Thebes even when doing so required facing up against his own brother. It demonstrates his loyalty, despite the lack of a blood connection to his family. One of the greatest acts of patriotism one can perform is to put one's country above one's own family.
Hence, Eteocles defends Thebes against his own brother, proving his loyalty.
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