Complex sentence: Schofield planned to advance inland from Wilmington in February, at the same time assigning Maj. Gen. Jacob D. Cox to direct Union forces from New Bern toward Goldsboro.
Split into simpler sentences: Schofield planned to advance inland from Wilmington in February. At the same time, he assigned Maj. Gen. Jacob D. Cox to direct Union forces from New Bern toward Goldsboro.