Which of the following factors affects which traditional styles and instruments are played in Quechua and Aymara communities?
a. Religious affiliation (specifically, Protestant vs. Catholic sects of Christianity)
b. Varying degrees of syncretism with Afro-diasporic music
c. The degree to which the cultural unit engaged with the Incan and Mapuche empires
d. Seasonal change (specifically, the rainy vs. dry seasons)
e. All of the above