Complex sentence: Elected Governor of Massachusetts in 2002, Romney helped develop and enact into law the Massachusetts health care reform legislation, the first of its kind in the nation, which provided near-universal health insurance access through state-level subsidies and individual mandates to purchase insurance.
Split into simpler sentences: Elected Governor of Massachusetts in 2002, Romney helped develop and then signed into law the Massachusetts health care reform legislation, the first of its kind in the nation. It provided near-universal health insurance access through state-level subsidies and individual mandates to purchase insurance.