What is the only way to ensure safety of mankind, defense of all people's rights, and improvement of the conditions for all mankind?

c. is the answer : ) (you may punch me if im wrong lol)

your answer is 1930's

explanation

this is just around the time the great depression was starting and putting the us ecnomy into ecnomic failure causing the goverment to take a much larger rule to try and pieace it back together

the four most common systems of greek government were: democracy - rule by the people (male citizens). monarchy - rule by an individual who had inherited his role. oligarchy - rule by a select group of individuals.