This was Benjamin Franklin.
He was one of the Founding Fathers, and he was also an author and a scientist, also a polymath and a diplomat. In his scientific work he focused on electricity.
The Habsburg family rose to power and took control of the Holy Roman Empire
In 1810, Father Miguel Hidalgo y Costilla calls for Mexican independence from Spain, spurring a series of revolts across the country that becomes known as the Hidalgo rebellion. The rebellion fails, but fighting continues. Meanwhile, the United States and Spain are locked in debate over the border between their territories. In 1819, the Adams-Onis Treaty, also known as the Transcontinental Treaty, draws a definitive border between Spanish land and the Louisiana Territory. The United States cedes California, New Mexico, Texas, and modern Arizona, Nevada, and Utah to Spain; it also agrees to pay U.S. citizens' land claims against Spain up to $5 million.
B.
The country was surrounded by natural barriers.
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The dynasty was polytheistic.
They probably weren't able to provide military aid to the people because they were constantly at war.
The Xia dynasty stopped the floording of the Chang Jiang river.
