The question is not clear. the specialization of who and what?<span />
1. natural resources (gold, waters) opened doors for trade / transportation
2. natural barriers, culturally isolated a group from one another (walls, tunnels)
^ both determined the rate of success or failure within the development of the early settlements in the English colonies
Answer: Social media or Social networking services.
Social media is an interactive form of communication that allows users to interact, share information, ideas, career interests and other forms of expression and connect with each other generally by means of the internet. The include various categories and virtually every body from different niche of life can find a platform to thrive. They include; blogs; business networks; forums; microblogs; photo sharing; products/services review; social gaming; video sharing; virtual worlds etc.
Answer: C is the correct answer. Took the quiz.
Explanation:
D has been given several times, but it is wrong.
