What was the problem with columbus sailing northeast? Answer please!! Will mark best answer as brainliest

The crew of Columbus' ships faced many challenges when crossing the Atlantic Ocean. The adversities consisted of starvation, dehydration, Scurvy, (Lack of Vitamin C) and malnutrition. Some of the sailors aboard the vessels also believed that there were great and evil sea monsters that would swallow them up or destroy their boats in an instant.

Explanation:

can someone me with this question:  

1) the end of the conflict between the north and the south didn’t just mark the end of a war; it marked the end of an entire way of life.” which statement best describes what this statement means?  

a) the southerners were no longer free and were controlled by the northern states.

b) the industrial economy in the north was not sustainable.

c) slavery became illegal, which changed completely the south’s labor force and the agricultural economy was destroyed.

d) the states decided to relinquish their independence and return to britain’s rule.