Choose all answers that are correctwhich events led to the decline of the inca empire

a. pizarro sailed down the west coast of south american to peru
b. disease and civil war ravaged the inca empire
c. the spanish sent messages of peace and friendship to the inca
d. the inca learned from the aztec’s mistakes and killed every spaniard they encountered
e. pizarro took atahualpa hostage and then had him executed