... MexicoGadsden Purchase from Mexico in 18 53 Parts of Arizona and New MexicoAlaska purchased from Russia in 18 67 AlaskaHawaii annexed by the United Statesin 18 98 HawaiiAnnexation of Texas• Mexico ... with GreatBritain in 18 46Oregon, Washington, Idaho, and parts ofMontana and WyomingMexican Cession by treaty with Mexicoin 18 48 California, Nevada, Utah, Arizona, and partsof Colorado, Wyoming, ... leader ofthe Republican Party. Douglas’s answer probably cost him thesupport of Southern Democrats and the presidency in the electionof 18 60.The Election of 18 60• In 18 60, realizing that popular...