Problem: Gerrymandering refers to the? Need Assignment Help? Option A manipulation of electoral districts to serve the interests of a particular group. Option B practice whereby legislators trade their support or opposition on one bill to get the support of another legislator on a different bill. Option C tactic used by members of the Senate to prevent action on legislation they oppose by continuously holding the floor and speaking until the majority backs down. Option D investigations of the executive branch that Congress frequently engages in. Option E resources that elected officials use to reward their supporters.