A Click Submit to complete this assessment. Question 15 The process known as reapportionment a. occurs every 10 years and redistributes congressional seats based on population shifts identified in the U.S. Census. b. happens when no one candidate wins 501 percent of the vote in a primary election. c occurs when district lines are redrawn by the state Jegislature. d. is part of the Voting Rights Act of 1965 and requires that any changes to electoral law must be preapproved by the U.S. Department of Justi