…のも無理 (は) ない => It's natural for... N3
Evaluate
のも無理もない => (to be) natural,(to be) understandable N3
Evaluate
~にもなく => ~different from N1
Compare
もしくは => or; otherwise N1
Selection
~とおもうまもなく => Suddenly~ N1
Right after...
少なくとも => at least ~ N2
て も~なくても => even if not,even without N4
Invariant
~かいもなく/~がいもなく      => despite; even though ~. I tried hard / hard but unfortunately ~ N1
まもなく => soon; shortly; before long N3
Short period of time
...まもなく => soon; shortly; before long N3
Short period of time
いくら~ても => no matter how ~ N3
~べくもない      => cannot possibly be ~. N1