Answer:
It made city-states ununited, since they formed independently from each other. City-States were constantly fighting and going to war with each other.
Explanation:
Since city-states had distance between them, they adopted different lifestyles from one another; their economies depended on different recourses because their terrain was different from one another (ex: states by the coast would often fish as a main source of income and food). The mountanous terrain of Greece only separated city-states further and encouraged the independent growth of city-states. This meant Greece was ununited and city-states would constantly go to war with each other.
E. was assassinated in 1965
A is the answer because the natives American tribes wanted a better life
Well you can rule out communism since that is not an economic system but a system of government. Socialism is the answer you are looking for. Socialism involves the division of everything into equal parts. No economic classes is a major trait of Socialism.