Ancient Greek phonology East or West Greek dialects. They both raised Proto-Greek long to (see below). Later on, Attic lowered found immediately after back to , differentiating itself from Ionic. All other East and West Greek dialects retain original . Ionic was spoken around the Aegean Sea, including in Ionia, a region of Anatolia south of Aeolis, for which it was named. Ionic contracts vowels less often than Attic (see below). Attic is the standard dialect taught in modern introductory courses in Ancient Greek, and the one that has the most literature written in it. It was spoken in Athens and Attica, the
Economy of East Asia known today as China, Japan, and Korea. These three ancient states traded an abundance of raw materials and high-quality manufactured goods, exchanged cultural ideas and practices, and had military conflicts with each other throughout the centuries. For much of East Asia's history, China was the largest and most advanced economy in the region and globally as a whole. During the first half of the Middle Ages, China was the most developed state in East Asia. The history of trade in East Asia was largely shaped by the history of trade within Ancient China. Ancient China had economic contacts with Persia