Answer:
There were many reasons that led to Secession which ultimately led to Civil war.
Explanation:
Before the Civil War, the country was divided between North and South. Secession was withdrawal of 11 states where slavery was legal from the Union. This was followed by electing Abraham Lincoln as the President. There were many issues between the two states which included the beliefs like one wanted more States Rights while the other wanted the federal government to control the states. Then there were differences over taxes. But the main issue was still slavery. It was legal in South which was then gradually banned.
The Civil War broke out as a result of all these issues. Since the time of the American Revolution, two camps emerged when it came to the role of government.
In the 1860s, most factories were located in the North of the United States, mostly because the South was largely agricultural and remained this way for many years.
Answer - The two most famous conquistadors were Hernán Cortés who conquered the Aztec Empire and Francisco Pizarro who led the conquest of the Incan Empire.
It looks like B and C are the correct answers.
History involves those things- we study the past to learn about the world back then.