Which of these had the GREATEST impact on the United States' fulfilling its "Manifest Destiny?"
Athe Kansas-Nebraska Act of 1854
Bthe California Gold Rush of 1849 Eliminate
Cthe Dred Scott v. Sandford case
Dthe publishing of Uncle Tom's Cabin
Athe Kansas-Nebraska Act of 1854
Bthe California Gold Rush of 1849 Eliminate
Cthe Dred Scott v. Sandford case
Dthe publishing of Uncle Tom's Cabin