I think because if people write something they give a bit of a personal view jn it (f.example if a person speaks about a battke they’ve won, they might not be telling about the other battles where they were lost)). If you use different sources, and compare then, you can substitute the facts out of it. I hope this can help you.
Answer: it allowed slave owners to kill rebellious slaves if necessary and it made it illegal for slaves to move abrod in groups, raise food, earn money, and learn to write.
The answer to the first one is b) and the second is d)
Hope this helps
The Bahamas are in North America, the natural resources are salt, aragonite, timber, and arable land.