ではあるが => Although it is N2
Evaluate
[間「あいだ」]/[間「あいだ」]に => During A, During A (before A is finished/over) N2
Time, Situation
~には~の~がある      => has its own~ N3
Characteristic
あるいは~あるいは~ => or, either N3
Line up, list
~のは...ゆえである => dare to do this in the current difficult situation because … N1
Cause, reason
でもあり, でもある => is also... N2
Proportional, parallel
とはくらべ[物「もの」]にならない => It's no match for A N1
Comparison/ Exchange
のでは => if N3
Condition (hypothetical condition)
一度に => all at once N3
のであった => So...(Exclamation) N2
Exclamatory
間 => while; during; between ~ N4
ひとつには…ためである => Partly because of ... N3
Cause, reason