Document A: John L. O’Sullivan on Manifest Destiny, 1839
The American people having derived their origin from many other nations, and the Declaration of National Independence being entirely based on the great principle of human equality, these facts demonstrates at once our disconnected position as regards any other nation; that we have, in reality, but little connection ...view middle of the document...
Document D: Map of Disputed Texas Border
Declaration of War on Mexico by President James K. Polk, 1846
Document F: Article V of the Treaty of Guadalupe Hidalgo
The boundary line between the two Republics shall commence in the Gulf of Mexico, three leagues from land, opposite the mouth of the Rio Grande, otherwise called Rio Bravo del Norte, or opposite the mouth of its deepest branch, if it should have more that one branch emptying directly into the sea; from thence up the middle of that river, following the deepest channel, where it has more than one, to the point where it strikes the southern boundary of New Mexico; Thence, westwardly, along the whole southern boundary of New Mexico (which runs north of the town called Paso) to its western termination; Thence northward, along the western line of New Mexico, until it intersects the first branch of the river Gila; (or if it should not intersect any branch of that river, then to the point on the said line nearest to such branch, and thence in ...