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.
On May 22, 1939, Germany and Italy signed the so-called Pact of Steel, formalizing the Axis alliance with military provisions. Finally, on September 27, 1940, Germany, Italy, and Japan signed the Tripartite Pact, which became known as the Axis alliance.
Answer
"Although it was largely reported that Hitler "snubbed" Owens for upstaging his prized Aryan athletes, in reality, he responded to a request to treat the winners equally and declined to publicly congratulate anyone after the first day of competition. Other reports indicated that the Fuhrer did salute Owens from afar, possibly influenced by the adoring reception the athlete received from fans."
Explanation:
Great Plains, Canadian Shield, the varied eastern region,and the Caribbean.