The United States had attempted to balance the number of slave states with the number of states that opposed slavery. By allowing Texas to become a part of the United States, the balance would have shifted.
Some possible results of the growing sectional debate over slavery include humanitarian results. For example, when people treat others fairly, all will be educated and respected and slavery will stop growing.
It claimed that slavery was legal in every state of the Union, if the Constitution was interpreted in a certain way. This delighted the South, as much as it angered Northern Abolitionists, and raised the temperature of the whole slavery debate nationwide.
The admission of new states to the union and Dred Scott decision fueled the ongoing debate over slavery. (I got this off of ChaCha.com)
The Missouri Compromise temporarily settled the debate over slavery by allowing Missouri enter the Union as a slave state. Maine was allowed to enter the Union as a free state.
Not battle, but a debate. The Missouri Compromise of 1820.
a domestic debate about imperialism
Cuba.
Stephen A. Douglas
Slavery
William Wilberforce
For the most part, the national debate on slavery was not whether to abolish it. Most Americans, especially in the North, did not want slavery to spread to the western frontiers.
In 1844, the us presidential election featured a debate on westward expansion. John K. Polk won presidency. He was a slaveholder, and firmly favored annexation of Texas "at the earliest practicable."
It was also a debate about the issue of slavery.
The main constitutional arguements during the debate over slavery were representation in Congress, importation of slaves, and the Bill of Rights.
Some possible results of the growing sectional debate over slavery include humanitarian results. For example, when people treat others fairly, all will be educated and respected and slavery will stop growing.
Rebuttal
Abraham Lincoln and Stephen Douglas were the two participants in the great debate over slavery prior to the election of 1858.