D. contain relevant information
Authoritative sources are works known to be reliable and highly trusted because its authenticity is extensively recognized by experts. Once your source is reliable, the information you need is certainly relevant to your study.
Authoritative sources could be up to date and have thoughtful opinions, however, any sources could have this too.
Any articles are easy to find simply by using the internet. But the question is, are they reliable?
What? There is no context.
Latin America is what i think
The answer to this question is "President Franklin D. Roosevelt". It was him, Presiden Franklin Roosevelt, governing during a time of war in the United States established the office of censorship in the year 1941 which was responsible for the censoring all communications going into and out of the United States. Additional fact, the Office of Censorship is an agency created for wartime emergency.