Chapter 18 Flashcards Popular Sovereignty Ostend Manifesto Free-Soil Party Clayton-Bulwer Treaty Conscious Whigs Gadsden Purchase Compromise of 1850 Personal Liberty Laws Fugitive Slave Law Kansas-Nebraska Act Chapter 18 Flashcards Idea that US should buy Cuba Popularized by Democrat from Spain for $120 million, or Lewis Cass, idea that people in go to war for it. Cuba would a territory should decide for become a slave state. themselves whether they should be slave or free Prelude to the Republican America and Britain agreed not Party, against the spread of to control any future slavery in the Mexican Cession, isthmuses in Latin America felt slavery took jobs away from Whites. Area of land in southern AZ and NM, important to the Members of the respective transcontinental RR, under party that opposed slavery on Franklin Pierce’s moral grounds administration Passed by many states it the north, denied jails and courts Added CA as a free state, for federal officials trying to tougher fugitive slave law, capture slaves popular sovereignty in Mexican Cession Overturned the MO (1820) Compromise, popular Part of Compromise of 1850, sovereignty established for KS harsher treatment for runaway and NB slaves, North held accountable for helping out runaway slaves