Answer:
The Copernican Revolution was the paradigm shift from the Ptolemaic model of the heavens, which described the cosmos as having Earth stationary at the center of the universe, to the heliocentric model with the Sun at the center of the Solar System.
During the early to middle years of the nineteenth century between<span> 1836-1860</span>
Answer:
21 states have been the birthplace of presidents.
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.