How did people create change during the Great Upheaval?

julius caesar turned the roman republic into the roman empire by coming in and taking the "dictator" role during the time of a civil war (elites vs lower classes) winning battles and reputation, then declaring him dictator for life

hope this : )

the anwer to

this question is false the spnaish had more than enough reinforcments and soldiders to defeat the azatecs becuase the azatecs did not have the advanced technolgy the spanish did

i would need the graph to answer the question