Seems that you may need to provide your own information that you’ve gained! you haven’t included the crash course video. i would recommend watching the video over and picking out 3 things that you learned. i’ve seen crash course videos before (not the one above of course) and they’re very easy to understand and there’s TONS of info, it’s quite easy to pick out three things :)
B. marketplace, this is the only one where people buy and sell goods directly
The answer is A. It was a tie.
Networking is basically getting to know your peers/colleagues. It is useful because if you know someone well, you can work better with them.
