Answer:
primary source because it was created by someone who was directly involved in the events
Explanation
Primary.S advantage- you would be able to know that you are getting the original information . disadvantage- very time consuming
Secondary.S advantage- provides many experts insights on the whatever you are researching about. disadvantage- may take longer to find specific information
They don't have weaknesses cause they don't even exists
I think it would be atticus but I'm not too sure
