3. War of 1812 Clashes with England on the seas would turn into war in 1812. Impressments England armed Native Americans to fight American settlers in the West.
18. Separated at the 49th Parallel (Canadian border) by the Treaty of 1846
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21. Quick Review What was the term used to justify American Western Expansion? Manifest Destiny Why were free blacks and slaves banned from the Northwest Territories? Labor competition What was the key issue as Southerners moved West? Slavery What territory was shared with England until the Treaty of 1846? The Oregon Territory