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Answer: Qin Dynasty
Explanation:
The Great Wall of China's history began in the Spring and Autumn Period (770–476 BC), was first completed in the Qin Dynasty (221–206 BC), and was last rebuilt as a defense in the Ming Dynasty (1368–1644).
Wu Zhao lowered taxes, and increased food production. Also Wu funded public projects and tried to reduce the power of the military in China. Wu also replaced aristocratic military men with scholar-officals.
<span>Building the Panama Canal, 1903–1914. President Theodore Roosevelt oversaw the realization of a long-term United States goal—a trans-isthmian canal. Throughout the 1800s, American and British leaders and businessmen wanted to ship goods quickly and cheaply between the Atlantic and Pacific coasts.</span>
The red guards carried out the cultural revolution by persecuting intellectuals and government officials
