Final answer:
Orthodox Judaism is the branch that relies most heavily on Jewish law, ritual, and tradition in daily life, keeping a kosher diet, and observing traditional practices strictly.
Step-by-step explanation:
The branch of Judaism that relies most heavily on Jewish law, ritual, and tradition in daily life is C) Orthodox. Orthodox Judaism maintains a strict adherence to the traditional interpretations and applications of Jewish law and practices. This includes following the dietary laws (keeping a kosher diet), observing the Sabbath and holidays closely, and a commitment to daily prayer and Torah study.
Through its focus on strict observance, Orthodox Judaism is characterized by its commitment to preserving the Jewish identity and religious tradition as handed down through the generations. It is also distinctive for its expectation that both men and women adhere to the laws of Moses as compiled in the Torah and expounded upon by the rabbis in the Talmud.