Unequal treaty, in Chinese history, any of a series of treaties and agreements in which China was forced to concede many of its
territorial and sovereignty rights. They were negotiated during the 19th and early 20th centuries between China and foreign imperialist powers, especially Great Britain, France, Germany, the United States, Russia, and Japan.
unequal treaty, in Chinese history, any of a series of treaties and agreements in which China was forced to concede many of its territorial and sovereignty rights.
Answer: The Louisiana Purchase of 1803 brought into the United States about 828,000 square miles of territory from France, thereby doubling the size of the young republic.