Douglass lived with the Audls for about seven years.
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The answer is option 3: A technique for making porcelain was perfected.
The art of making porcelain prospered in both periods. A lot of innovations were made in forms, glazes, decorative techniques methods of production and kiln technology.
During the Tang Dynasty, porcelain kilns were constructed all over the country and a type of vessel with molded decorations on it became very popular, which was made using an "upside down" and the coal was used as kiln fuel.
By the Song period, the manufacturing process was standardized (base-making, glazing, ingredient control, and temperature maintenance). In addition, the industry was divided into five types of kilns that had several features for glaze coloring and pattern design.
World-systems theory<span> (also known as </span>world-systems analysis<span> or </span>the world-systems perspective), <span>is a multidisciplinary, macro-scale approach to </span>world history<span> and </span>social change<span> which emphasizes the </span>world-system<span> (and not </span>nation states<span>) as the primary (but not exclusive) unit of </span>social analysis<span>.</span>
The United States presidential election of 1908 was held on November 3, 1908. Popular incumbent President Theodore Roosevelt, honoring a promise not to seek a third term, persuaded the Republican Party to nominate William Howard Taft, his close friend and Secretary of War, to become his successor.
