のことだから => because; since ~ N2
どうせ (のこと) だから => Because eventually have to ... N3
Invite and advise
の上で(は)/~上 => according to; from the viewpoint of ~ N2
以上 (の) => Just mentioned above N1
Standard
ことから => from the fact that ~ N2
その上 => besides; in addition; furthermore ~ N3
これだけ … のだから ... => To this extent... N2
Emphasis on degree
といえば…ぐらいのことだ => speaking of... just... N2
Respectful, humble
ところから => because; from the fact that N3
Base, base
の[上「うえ」]では => As… N4
Situations and Experiences
...ところのN => But... N3
Explain
以上 の => more than; not less than; beyond ~ N2
Standard