Who was killed in Roman massacre of Christians in 64 CE

The Roman perspective on Christianity evolved somewhat over time, but from the beginning four basic grounds for persecution were already established: religious syncretism, emperor worship, prohibition of new religions, and wild rumors and accusations.

Claudius succeeded Caligula as Emperor. Agrippina married Claudius in 49 AD and became his fourth wife. By February 49, she had persuaded Claudius to adopt her son Nero.

answer; i believe the correct answer is (the willamete valley);