What were the things Manifest Destiny was used to justify?

Manifest Destiny was used to justify white men doing whatever they wanted to anyone not white; taking their property, their land, their women and their children, and killing them if they objected. In short, it equated the white male with God. read more

Thus a powerful American slogan was born. “Manifest Destiny” became first and foremost a call and justification for an American form of imperialism, and neatly summarized the goals of the Mexican War. read more

Polk, an ardent proponent of Manifest Destiny, had won election with the slogan “54˚ 40’ or fight!” (a reference to the potential northern boundary of Oregon as latitude 54˚ 40’) and called U.S. claims to Oregon “clear and unquestionable” in his inaugural address. read more