あとから => after~; later N3
Relationship before and after
あとは~だけ => Just ... left N4
Condition (hypothetical condition)
とあって => because of N1
いったん~ば/と/たら   => Once you do something N2
Necessity, obligation
~いかんだ / いかんで、~ /  ~いかんによって、~ => It depends ... N1
Related, corresponding
わけだから...はとうぜんだ => Because, ..., it's only natural; no wonder; might as well ~ N2
Of course
けっか => as a result of; after ~ N3
Result
だけ(のことは)あって/だけのことはある => no wonder; as expected of; not ... for nothing; not ... with nothing to show for it N2
わけだから...てもとうぜんだ => Because, ..., it's only natural; no wonder; might as well ~ N2
Of course
あとから => After one thing happens, another also happens ... N3
Relationship before and after
かと思ったら/かと思うと => just when; no sooner than ~ N2
~からとおもって => Because I think... N1
Base, base