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Tang and Song was considered the Golden Age of China. They had a lot of innovations and China was much more united during this time due to their centralized rules. But other dynasties made little to no unity in China and it resulted in a lot of revolts and wars like the Warring States Period.
You can drive on them and fix them and go many different places
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The renaissance had a profound impact all over europe.In england ,renaissance led to the development of modern art and cultural ,literature,architecture music and theater
Enrico Fermi is who invented the nuclear reactor.
It was British queen Victoria in 1840 on the stamp called "Penny Black". It was the first stamp issued publically.