Complex sentence: That year, McCain founded a new organization, the Hensley Family Foundation, which donates monies towards children's programs in Arizona and nationally, and she was largely a stay-at-home mom during the balance of the 1990s.
Split into simpler sentences: That year, McCain founded a new organization, the Hensley Family Foundation, which donates monies towards children's programs in Arizona and nationally. She was largely a stay-at-home mom during the balance of the 1990s.