Answer:
the policies of glasnost and perestroika
Explanation:
During the 80's the soviet economy was in deep trouble as it had not adapted to the changes and new challenges presented over the years. In 1985 Mikhail Gorbachov became the head of the Communist Party and realized some changes needed to be done. He launched the Perestroika which were a series if political and economicl reforms to help the Soviet Union's economy. As a second support for the change the Glasnost was created, it referred to their policy of open discussion of political and social issues. All these lead to the collapse and democratization of the Soviet Union as they realized that their old methods were not sustainable anymore and critical changes needed to be done.
Technological progress is defined as D) an improvement in the efficiency with which an economy uses its resources and factors of production to produce increased output.
Answer:
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Explanation:
The answer would be ( <span>fear of African empires )
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Porcmade from rare and valuable materialselain (/ˈpɔːrsəlɪn/) is a ceramic material made by heating materials, generally including kaolin, in a kiln to temperatures between 1,200 and 1,400 °C (2,200 and 2,600 °F). The toughness, strength, and translucence of porcelain, relative to other types of pottery, arises mainly from vitrification and the formation of the mineral mullite within the body at these high temperatures. Though definitions vary, porcelain can be divided into three main categories: hard-paste, soft-pasteand bone china. The category that an object belongs to depends on the composition of the paste used to make the body of the porcelain object and the firing conditions.
Porcelain slowly evolved in China and was finally achieved (depending on the definition used) at some point about 2,000 to 1,200 years ago, then slowly spread to other East Asian countries, and finally Europe and the rest of the world. Its manufacturing process is more demanding than that for earthenwareand stoneware, the two other main types of pottery, and it has usually been regarded as the most prestigious type of pottery for its delicacy, strength, and its white colour. It combines well with both glazes and paint, and can be modelled very well, allowing a huge range of decorative treatments in tablewares, vessels and figurines. It also has many uses in technology and industry.