ゆえに => Because of A N1
Reason, Result, Response
ゆえに => therefore; consequently​; because of; due to ~ N1
Cause, reason
~ゆえに      => therefore; consequently​; because of; due to ~ N1
それゆえ => therefore; consequently​; because of; due to ~ N3
Result
いわゆる => what is called; as it is called; the so-called; so to speak​ N2
~のは...ゆえである => dare to do this in the current difficult situation because … N1
Cause, reason