If the ACA is repealed, with it will go the protection it offers individuals with preexisting health problems. They would again be denied health insurance or subjected to unaffordable insurance premiums.
The rapid transition from a non-conducting to a conductive state produces a brief emission of light and a sharp crack or snapping sound. A spark is created when the applied electric field exceeds the dielectric breakdown strength of the intervening medium.
If a burning object or electricity sparks a fire, it causes a fire. A dropped cigarette may have sparked the fire. A spark of a quality or feeling, especially a desirable one, is a small but noticeable amount of it. His music lacked that vital spark of imagination.