Answer:
Slavery played the central role during the American Civil War. The primary catalyst for secession was slavery, especially Southern political leaders' resistance to attempts by Northern antislavery political forces to block the expansion of slavery into the western territories
The answer is true just because
Answer: It could be "Constitutional rights" or "Civil liberties"
Explanation:
According to cornell.edu, "Constitutional rights are the protections and liberties guaranteed to the people by the U.S. Constitution. Many of these rights are outlined in the Bill of Rights, such as the right to free speech and the right to a speedy and public trial."
But for Civil Liberties, cornell.edu says "Civil liberties are rights guaranteed by the Constitution (primarily from the First Amendment). They have been described as natural rights which are inherent to each person. While they are commonly referred to as "rights," civil liberties actually operate as restraints on how the government can treat its citizens."
It's really what applies more to the subject of "The Civil Rights Movement"
It would be difficult for the United States for two reasons, the fact that none of the land was mapped other than the areas that previous voyagers had gone through, and the natural landscape of the area, and last, Native American Hostility.
Three examples: When pioneers would voyage to the west, there would often be encounters were they would be attacked by animals that had not been seen before, bears, sneaks, different wolves, and many more. They barely knew the natural resources of the area, such as food, etc.
The next example, no mapping, would be difficult because for the most part, they had no sense of navigation except for the few maps that had been made, even then, would be difficult to navigate.
Native Americans did not appreciate the pioneers coming into the land they considered their own, they resembled hostility and would even kill the civilians that would travel through the land, or capture them.
Hope this helps!! <3