Complex sentence: This pick-and-choose approach was not conducive to rapid growth for the GOP but instead contributed to the partisan complexion of the legislature remaining largely unchanged even when Treen was elected governor in 1979.
Split into simpler sentences: This pick-and-choose approach was not conducive to rapid growth for the GOP. In fact, it contributed to the partisan complexion of the legislature remaining largely unchanged even when Treen was elected governor in 1979.