Ji-Suk's mother develops the theme of adapting to cultural change through her actions and determination.
Ji-Suk's mother best develops the theme that adapting to cultural change is difficult through her actions and determination. By cooking kimchi and other Korean delicacies with Ji-Suk, she shows her commitment to her cultural heritage and the difficulties of adapting to new cuisines.
Making Ji-Suk take Korean lessons further emphasizes the challenges of learning a new language. Her determination in ensuring that Ji-Suk graduates from a respectable college and becomes a lawyer highlights the sacrifices and efforts required to adapt to a new culture and succeed in a different career path.
Finally, her years of learning to speak relatively good English demonstrate the difficulty of mastering a new language, which is essential for adapting to cultural change.