Manifest Destiny and the Oregon Claim

December 27th, 1845. New York City. A newspaper column helps define an

American era. In the New York Morning News, journalist John L.

O’Sullivan argues the U.S. has the right to claim the entire Oregon Country,

invoking the “right of our manifest destiny” to expand across the continent. It’s more than rhetoric:

it becomes a political engine— fueling territorial ambition, hard diplomacy,

and a rising sense of national mission. A phrase printed on paper— that reshapes borders,

policy, and the future map of North America. Follow for more videos and articles