Answer: A) the British did not understand the Igbo traditions and tried to impose their own religion and politics, which they considered to be superior.
Step-by-step explanation: From the given options, the sentence that best illustrates the theme that tradition versus change leads to conflict in "Things Fall Apart" is the corresponding to option A: the British did not understand the Igbo traditions and tried to impose their own religion and politics, which they considered to be superior, by trying to impose their own beliefs, the British caused conflict.