The last country in the world to challenge the United States control of Oregon was Great Britain. Oregon was won in the War of 1812.
The land between two rivers
Answer:
The purchase included land from fifteen present U.S. states and two Canadian provinces, including the entirety of Arkansas, Missouri, Iowa, Oklahoma, Kansas, and Nebraska; large portions of North Dakota and South Dakota; the area of Montana, Wyoming, and Colorado east of the Continental Divide
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Answer:
Italy's Unification was completed in 1870 and the factors were.
1.) The leadership of Camilo Cavour and Giuseppe Garibaldi
2.) The help of foreign powers.
3.) Italian leadership and foreign help.
Answer:LOUISIANA PURCHASE. ... In 1803 he agreed to sell the Louisiana Territory (approximately 827,000 square miles) to the United States for a price of $15 million. The United States doubled its territorial size and extended public lands westward into the Missouri River and the Rocky Mountains.
Explanation: