You have to put a link so I can see the map
It introduced the principle of Self-government
Answer: Here go some ways that you can make sure a source is accurate by making sure the information should be up-to-date and current.
The source should be relevant to your research.
The author and publication should be a trusted authority on the subject you are researching.
The sources the author cited should be easy to find, clear, and unbiased.
For web sources, the URL and layout should signify that it is trustworthy.
Explanation:
Now I'm not 100% sure here but C is your best bet
