What is the primary conflict in the short story after you my dear alphonse?

The primary conflict in the short story "After You, My Dear Alphonse" by Shirley Jackson is racial prejudice and misunderstanding between two mothers, Mrs. Wilson and Mrs. Spellman, as each assumes the other's son is behaving inappropriately due to his race. The story highlights how assumptions and stereotypes can lead to miscommunication and conflict.