Dropping the bombs on Hiroshima and Nagasaki were not a military necessity because from other reports, the Japanese were about to surrender anyway. It was justifiable because we were scared and we acted because we were threatened.
A. Security
Because it invades his privacy, which is supposed to be secured, though it could also be access, though, I think that would have to come first. so its A.
I hope this helps... UWU
the mali empire traded with people from the north