Answer:
The Gilded Age was based on industrialization, especially on the development of heavy industry: factories, railways, coal mines. Steel production in the United States during this period exceeded total steel production in the UK, Germany, and France.
Inventors and scientists have contributed to the modernization of America. In 1882, Edison built the first power station in the United States. In 1894, the aggregated value of the industrial products of the United States exceeded the industrial production of England and Germany combined. In 1876, the Bell telephone was presented at the World Exhibition in Philadelphia, and the Chicago exhibition in 1892 approved the status of the United States - the first country in terms of technique.
Explanation:
Answer: B
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Answer is [happened before the present day].
Answer: a. The rulers of the Yuan dynasty adopting Chinese court culture and methods of rule
Explanation:
The Mongol conqueror Genghis Khan united the nomadic Mongol clans and established a vast Mongol empire that controlled a significant part of the world in its time with part of those dominions being China.
When he died, his son took over and then his grandson Kublai Khan took over and established the Yuan dynasty in 1271. After this, Kublai employed the methods of Chinese rule that he had found amongst the Chinese thereby assimilating the conquering Mongols into Chinese lifestyle.