Final answer:
The people were shocked and confused when Reverend Hooper walked into the church wearing a veil, which created unease and tension within the church community.
Step-by-step explanation:
The people's reaction to when Reverend Hooper walked into the church with the veil was one of shock and confusion. The veil, which covered his face, made the congregation uncomfortable and sparked rumors and speculation about its symbolic meaning. The people could not fully comprehend why Reverend Hooper chose to wear the veil, and his actions created a sense of unease and tension within the church community.