They needed slaves for labor in the New World.
Answer:
I believe it is C
Explanation:
Because when they signed it officially made the world aware that they were no longer apart of Britain and they were their own country.
Answer: Alaska Canada and GreenlandOregan
Explanation:
If your talking about the trans-Saharan trade, the answer is that the trans-Saharan trade route transformed West Africa by connecting it to the larger parts of the world. This trade route in particular was intriguing as it required the need for human adaptation and innovation over this vast desert area.