The timeline below shows events in both mesoamerica and south america during the century before the spanish arrival in the americas. use the timeline below to answer the following question:

(image attached) will mark brainliest! 30 pts!

which of the following resulted from the formation of the "triple alliance"?

a. the expansion of the incas into ecuador
b. the continued expansion and conquests of the aztecs
c. the expansion of the incas into bolivia
d. the decline of the chimu culture