The 1840s. The term "Manifest Destiny" was coined by John L. O'Sullivan in a newspaper editorial in 1845, but America's expansion to the west was sparked by the Louisiana Purchase in 1803.
After the War of 1812
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1840s
manifest destiny occured because a guy names polk wanted more land.
Manifest Destiny Manifest: plain; obvious Destiny: sure to happen; imminent
Manifest Destiny.
manifest destiny
Manifest Destiny
manifest destiny
It was known as Manifest Destiny and was a factor in American foreign policy during the 19th century.
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Manifest Destiny was the idea that Americans had the right to all the land from the Atlantic Ocean to the Pacific Ocean.
Manifest Destiny.