Complex sentence: During Little's time as leader, the party won its first seat ever in Tantramar in the 1982 New Brunswick election, and ran a full slate of candidates for the first time in the 1987 campaign.
Split into simpler sentences: During Little's time as leader, in the 1982 New Brunswick election the party won its first-ever seat in Tantramar. They ran a full slate of candidates for the first time in the 1987 campaign.