中 => While (Lasting) N3
Continuous
からこそ/~ばこそ/こそ => precisely because ~ N2
ばこそ => only because ~ N1
途中で/途中に => on the way; in the middle of ~ N4
中 => During the period (Term) N3
Time
ばこそ => Because of A N1
Reason, Result, Response
そばから => as soon as; right after​ ~ N1
を中心に => focused on; centered on~ N2
最中に => while; during; in the middle of ~ N3
それなら(ば) => if that’s the case; if so ~ N2
そばから => As soon as A, B N1
Time, Situation
途中 (は) => on the way; in the middle of ~ N3
Halfway