Answer:
The Whig Party was divided by members' attitudes toward the issue of Southern secession.
Option (d) is true.
Step-by-step explanation:
The Whig Party was a political party in the United States from 1834 to 1854. It was divided on the issue of Southern secession because of its stance on slavery.
The party was founded in opposition to the Jacksonian Democrats, who were seen as favoring the interests of the South.
The Whigs were generally more anti-slavery than the Democrats, but there were divisions within the party over how to deal with the issue.
Some Whigs, such as Abraham Lincoln, believed that slavery should be gradually abolished, while others, such as Stephen Douglas, believed that it should be allowed to expand into new territories.
The party was further divided by the Kansas-Nebraska Act of 1854, which allowed the residents of those territories to decide whether or not to allow slavery.
This act led to violence and political turmoil in Kansas, and it further alienated the anti-slavery wing of the Whig Party.
The Whig Party collapsed in 1854, and its members largely joined the newly formed Republican Party, which was more firmly opposed to slavery.
Thus,
Option (d) is true.