Policymakers capitalized on public sentiment to acquire Florida and Oregon and declared war on Mexico in to seize Texas, California, and everything in between. The extension of slavery into new territories and states had been an issue as far back as the Northwest Ordinance of Although highly controversial with huge, often physically threatening public opposition, by the society had about 2, local auxiliaries with membership estimated to be betweento , including freed blacks like Frederick Douglass.
As more and more white males received the right to vote during the s and s, aristocracy and privilege came to be seen as undemocratic and anti-American. A new two-party system replaced the politics of deference to elites. Effects of the Antebellum Period The technological advances and religious and social movements of the Antebellum Period had a profound effect on the course of American history, including westward expansion to the Pacific, a population shift from farms to industrial centers, sectional divisions that ended in civil war, the abolition of slavery and the growth of feminist and temperance movements.
But these achievements came at the cost oflives--nearly as many American soldiers as died in all the other wars in which this country has fought combined. The Confederates gained a costly victory in the battle that followed, suffering 13, casualties around 22 percent of their troops ; the Union lost 17, men 15 percent.
First, the Panic of shook the U. The Compromise of attempted to settle this issue by admitting California as a free state but allowing slavery in the rest of the Mexican cession. Politicians were encouraged to acquire more and more land.
In addition, the antebellum era saw a great surge in collective efforts to improve society through reform. These years witnessed rapid economic and territorial expansion; the extension of democratic politics; the spread of evangelical revivalism; the rise of the nation's first labor and reform movements; the growth of cities and industrial ways of life; radical shifts in the roles and status of women; and deepening sectional conflicts that would bring the country to the verge of civil war.
The Civil War started because of uncompromising differences between the free and slave states over the power of the national government to prohibit slavery in the territories that had not yet become states.
The North held many advantages over the South during the Civil War.