Earthenware, stoneware, and bronze were common mediums used

The correct answer is:

Ancient China

Earthenware, stoneware, and bronze were materials commonly used in the Ancient China. This articles made from clay are also called Pottery. They began to use pots as articles where they could cook and eat their food. Stoneware's clay is fired at high temperatures of 1,200°C. Earthenware is fired at temperatures of  1,000 to 1,150 degrees. Which results in a more long lasting material, with a denser, stone-like quality.

“the battle of stalingrad is not a turning point necessarily in strategic terms, because a lot more has to be done before the soviets can be certain of defeating germany,” says renowned world war ii historian richard overy. the germans had fought nearly a thousand miles across the soviet union to get to stalingrad.

i believe the answer is d.