He ends up back at the starting point because if he walks the same steps forwards and backwards he would be in the same spot
It's hard to define a decisive turning point in Greek history as there were many.
However, one that really might stand out apart from the rest was their wars with the Persians. They were successful in their defence against a Persian invasion, an invasion of an empire that was drastically bigger than the combined Greek lands.
Answer: The religions in both Mesopotamia and ancient Egypt were polytheistic, meaning they believed in multiple gods and goddesses, and were based on nature. Both civilizations had gods of the sky, earth, freshwater, and the sun, as well as gods devoted to human emotions and the underworld
Explanation: I already explained in the answer, but I hope this helps.