Figurative - the channels are not literal or physical.
I believe it is D because the allies weren't formed yet before war broke out but when it did, that's when the allies were formed.
The answer is “who” referring to one person
The second sentence, because "sometimes anything" goes with the verb form "beats". "Sometimes anything beats" is more correct than "sometimes anything beat"
The answer is C
I hope this helped! : )
