An oligarchy can include representative democracy true or false

True

Explanation:

It is true that an oligarchy can include representative democracy. Oligarchy is  type of government or power structure that places power on the hands of a small number of people. Usually, these people are distinguished from the rest of the population by a specific characteristic. However, while the power can rest on a few people, some type of representation is still possible under this system.

hawaii was the final state

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 : )