<span>C. flappers listening to jazz and doing the Charleston</span>
As the first Roman emperor Augustus led Rome's transformation.
Answer:
The Greek city-states applied democracy by giving citizens rights and responsibilities. They limited democracy by restricting citizenship to only free, land-owning who were born in the polis. ... By 700 B.C., citizens called hoplites made up the city-state armies
Explanation:
city-state armies
I would say A.
but C would be my second guess
If he used a repeated -measures design then there would be 30 subjects in the research studies.