The answer is 1901 AD - 2000 AD
Kublai Khan is known and revered for his civilian and
administrative, not his military achievements. Grandson of Genghis Khan,
Kublai sought to govern rather than to exploit and devastate the vast
domains bequeathed to him by two generations of Mongol conquests. He
made the transition from a nomadic conqueror from the steppes to
effective ruler of a sedentary society. Ironically, however, his reign
witnessed the Mongols’ most remarkable military success, the subjugation
of the Southern Sung dynasty of China, and simultaneously their
greatest military fiascos, the failed naval expeditions against Japan
and Java.
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Answer: In the mid-1800s, a series of reform movements swept across the United States and people led groups and formed organizations to change society. (Define Reform: making changes in, in order to improve it.) Some of these reforms were in response to social issues made worse by urbanization that developed as industry and technology advanced. American reformers tried to tackle series issues such as abolishing slavery(kinda), promoting women’s rights, improving education, providing better care for the mentally ill(this movement was started by Dorothea Dix), improving prison conditions, and educating the public on the dangers of alcohol.