I believe the answer is A. Bias prejudice in favor of or against one thing, person, or group compared with another, usually in a way considered to be unfair. Cultural Bias.
In the year 1492, Christopher Columbus sailed the ocean blue. Columbus was born in the year 1451 in the country of Italy. He died in the year 1506. He was not only an explorer and navigator but also a colonizer. I hope that this is the answer you were looking for and it has come to your help.
Secrecy as in government secrecy? Human secrecy? Please explain, thank you : )