There's no answer choices listed, so here's the best I can do:
Secondary sources come from people who have only read or heard about an event, so there is a possibility that they don't know the full story or they will mix in lies. With a primary source, you will get the full story and the truth.
Hope I'm not too late, and I hope this helps :)
The phoenicians traded fir-trees<span />
John J. Pershing was the commander of American forces during WWI
