を[経「へ」]て => After A N1
Time, Situation
を[余儀「よぎ」]なくされる => Must do A N1
Will, Decision, Doing
[折「おり」]には => When A, at the time A N2
Time, Situation
をもとに/をもとにして => A as a basis for B N2
Based, Focused, Depending on
を[込「こ」]めて => Put A into it N2
Will, Decision, “Doing”
を[踏「ふ」]まえて => Thinking of A N1
Based/focused/depending on
をおいて~ない => Other than A, B N1
(Not)only , (Not) even
を[通「とお」]じて/を[通「とお」]して => Over the course of A, during the time A, Through (as a means) A N2
Miscellaneous
を => Over , across, along... N5
Particles
をはじめ/をはじめとする => For example, A N2
Lists, Examples
ものを => Although A, (unfortunate result) B N1
Contrast/Surprise
を[機「き」]に => Use A as an opportunity N1
Time, Situation