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.
There were a number of predecessor agencies to INS between 1891 and 1933. The Immigration and Naturalization Service (INS) was formed in 1933 by a merger of the Bureau of Immigration and the Bureau of Naturalization. Both those Bureaus, as well as the newly created INS, were controlled by the Department of Labor.
Machines made it easier to complete hard tasks(such as the cotton gin) and they also could get work done faster than humans, which lead to a much grander scale of production in goods. Hope this helps :D
The war that was fought in Syria in 740 involves the Umy and Bryzantine and result was that the Umy won a decisive victory against the Bryzantine.
<h3>What was the Syria war?</h3>
The war was stirred up by puritan preachers and caused the Berber revolt against their Umy Arab rulers began in Tangiers in 740.
The result of the war was that the Umy won a decisive victory against the Bryza.ntine.
Therefore, A is correct.
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