Why was Chinese porcelain a highly sought-after trade good during the Tang and Song dynasties?

It was used to make stronger weapons for armies.

It was valued for its beauty and strength.

It was a key ingredient in making gunpowder.

Its production process was extremely simple and fast.

What innovation during the Tang and Song eras led to the creation of stronger steel?

The invention of the waterwheel for power.

Using coal to heat furnaces to higher temperatures.

New techniques for mining silver and gold.

Adopting metalworking methods from European traders.

It caused the price of silk to rise dramatically.

Knowledge and ideas could be shared more widely.

It led to the government banning all handwritten documents.

The practice of calligraphy completely disappeared.

It used much less paper for each book.

It was invented by a famous emperor.

The same characters could be reused to print different texts.

It was the first method that allowed for printing in color.

A significant decline in artistic skill.

The isolation of China from global trade routes.

China's role as a major center for industrial production and the circulation of new ideas.

A society that was focused only on agriculture.