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
~としたことが => ~ surprised N1
Surprised
ことだし => Because...so... N2
Cause, reason
~のは...ゆえである => dare to do this in the current difficult situation because … N1
Cause, reason
としたところで/としたって/にしたところで/にしたって => Even if; Even supposing that ~ N1
…のも無理 (は) ない => It's natural for... N3
Evaluate
といえば…ぐらいのことだ => speaking of... just... N2
Respectful, humble
ことこのうえない => the most of all; the best; nothing is ... N2
Emphasis on degree
ことなしに => without doing something N1