The correct answer for this question is "a. the aztecs spread diseases like smallpox to wipe out enemy populations." The statement that was not a significant factor in the aztecs' expansion of their empire is that the aztecs spread diseases like smallpox to wipe out <span>enemy populations.</span><span> </span>
Answer:
Nile river?
Explantation: Its the only thing I could think of matching that statement
"<span>C. The Roman Republic was strengthened by the newly-empowered plebeians" would be the best description from the list, but this was not a universal truth. </span>