~みこみがたつ => have a good prospect N1
Expected
いつか ... た => Formerly (At some point) N4
Time
~Vた + せつな => moment, instant, juncture N1
Beyond expectations
~且つ(かつ) => and N1
Line up, list
つつ => while; even though; despite ~ N2
~としたことが => ~ surprised N1
Surprised
にこたえ(て) => in response to ~ N2
ひとつには…ためである => Partly because of ... N3
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
つつ/つつも => While A, B. Although A (is beng done), B N2
Information, Report
~にかこつけて      => to use as a pretext; to use as an excuse N1
じつのところ => in fact, as a matter of fact, by the way N2
Exclamatory