に先立って => before; prior to ~ N2
に[先立「さきだ」]って/に[先立「さきだ」]ち/に[先立「さきだ」]つ => Before A occurs/takes place N2
Time, Situation
結局 => after all; eventually; in the end ~ N3
その結果 => as a result of; after ~ N3
その[結果「けっか」] => Because of A (in the past), B N3
Reason, Result, Response