Final answer:
The detail that causes Neto's conflict is that racist remarks are being made.
Step-by-step explanation:
The detail from the excerpt that causes Neto's conflict is that racist remarks are being made.
Neto questions if he can perform before people who hold racist views and if he can represent a school that would allow such behavior. This detail creates internal turmoil for Neto as he grapples with the implications of these racist attitudes.