The correct answer is B) Cuban independence was assured.
The Spanish-American War was one in which the United States got involved in helping Cuba become free from Spanish control. The United States ended up winning this war, helping Cuba become free from Spanish control. Along with this, the US gained the Philippines, Guam, and Puerto Rico from this deal. This helped to start the beginning of the American Empire.
Olive oil and wine good luck :)
Answer: All-encompassing sectional differences on the issue of slavery, such as outright support/opposition of slavery, economic practices, religious practices, education, cultural differences, and political differences kept the North and South at near constant opposition to one another on the issue of slavery.