と考えられる/と考えられている => one can think that; it is conceivable that; considered ~ N2
といえば~かもしれない => Speaking of..., it might be... N3
Speculation
それゆえ => therefore; consequently​; because of; due to ~ N3
Result
... と考えられている => one can think that; it is conceivable that; considered ~ N2
Confirm
... ものと考えられている => one can think that; it is conceivable that; considered ... N2
Of course
…ものと考えられている => one can think that; it is conceivable that; considered ... N2
Of course
もらえまいか => Help... N2
Benefit
いかに … とはいえ => What ever... N3
Things do not match the prediction
... おぼえはない => don't remember... N3
Position, perspective
さえ/にさえ/でさえ => Even N3
Not only, Not even
... ものと考えられる => one can think that; it is conceivable that; considered ~ N2
Of course
~にたえる (耐える)    => bear doing ~ N1