Complex sentence: As leader of Parliament's liberal faction, he brought his allies and colleagues into the Liberal Party, New Zealand's first political party, intended to embody the liberal ideas of Stout, Vogel, and Ballance himself.
Split into simpler sentences: As leader of Parliament's liberal faction, he brought his allies and colleagues into the Liberal Party, New Zealand's first political party. The alliance was intended to embody the liberal ideas of Stout, Vogel, and Ballance himself.