Most of the southerners believe that slaves are essential for southern trades.
Even though small number of them did not think similarly, majority of The southerners view that the government should not intervene with the issue regarding slavery in the south.
Southern economy was supported mostly by agricultural sectors and they require large number of labor. They argue that freeing the slave would massively increase the cost and reduce states' income.
Public Opinion is the collection of differing members of public with diversified attitudes, beliefs and views about a specific issue or topic. Moreover, public opinion is a powerful tool that expressed mutual influence or a process of interaction that can influence culture, politics, fashion, arts, marketing and consumer spending.
Active transport, the molecule requires ATP to actively transport it through membrane.
I believe it is the third option
I thing the most suitable is third option <span>C becomes negative, and D is unchanged. You can check it by using special services to build graph and move it to the left and then check if I'm wrong.</span>