The correct answer is option 3, Spain. This means that Christopher Columbus was from Spain. Option 1, Venice is incorrect because Christopher Columbus was not from Venice. Option 2, Genoa is also incorrect, as Christopher Columbus was not from Genoa either. Option 4, Portugal is also incorrect as Christopher Columbus was not from Portugal. It is important to note that Christopher Columbus was an explorer who embarked on a voyage across the Atlantic Ocean from Spain in 1492, which ultimately led to the discovery of America.