I would say that the best resource is a Encyclopedia
I also think its D because it talks about how combining strength and it cannot fail to find strength from people together while the other choices fail to tell that lesson
Classic literature can be hard to read because of the language that is used, which can be almost incomprehensible to modern day readers. It may also have statements or ideas that are difficult to follow or comprehend without a large amount of help.
The answer is D. To create a way to exchange data between research computers. It's easier to email data then try to send it in the mail, mostly because that takes longer and birds aren't used as a mode of mail transportation anymore
