Which is not something christpher columbus is known for

Christopher Columbus was a navigator who explored the Americas under the flag of Spain. Some people think of him as the "discoverer" of America, but this is not strictly true. His voyages across the Atlantic paved the way for European colonization and exploitation of the Americas.

Explanation:

answer: the ocean

explanation: if you map out 30 n and 40 n latitude, you will get the ocean

the answer is b: an economic crisis throughout the country.