A primary source is from someone who was apart of the event that’s being sourced, such as a holocaust survivor recounting the events of the holocaust, or someone who witnessed a murder. A secondary source would be someone sharing the primary source, such as a newspaper or a book! Hope this helps!
Answer:
the right answer is a
I hope it is helpful for you
I would go with True because any historian needs a lot of patience to get what they want or to learn about something etc..