The Etruscans spoke a unique language, unrelated to those of their neighbours. Their culture was influenced by Greek traders, and by the Greek colonists of southern Italy. The Etruscan alphabet is Greek in its origins. They in turn passed on their alphabet to the Romans.
The stock market crash of 1929; the collapse of world trade due to the Smoot-Hawley Tariff (Hawley, it was signed by President Herbert Hoover on June 17, 1930. The act raised US tariffs on over 20,000 imported goods. The tariffs under the act, excluding duty-free imports were the second highest in United States history, exceeded by only the Tariff of 1828), government policies; bank failures and panics; and the collapse of the money supply.
A historian might use periodization in order to separate the different cultural and political movements in Ancient Greece. It's a good way to categorize and organize the vast history of Ancient Greece, in order to make it more easily understandable. It's also a good way to examine differences in ideals and culture shifts across time.
I would say C. The Curtain symbolised the ideological conflict and physical boundary dividing Europe into two separate areas.
