coastal enclaves. This meant that California's congressional district boundaries would certainly undergo major upheaval after the 2010 census. As one example, the San Francisco Bay Area had grown less than 1% since the last redistricting, while the Central Valley area had grown by 21%. Los Angeles County had grown 5%, while San Diego, Orange, Riverside, San Bernardino and Imperial Counties had grown by 17%. Another notable factor is that California's population hadn't grown much relative to the population of the rest of the United States, There were fears at the time that California might even have proportionally shrunk and that it could lose one or two seats in Congress. In the end, California's representation in Congress remained the same, which was the first time the state had not increased its congressional representation since the reapportionment following the 1920 census. Constitutional changes Proposition 20 amended three sections of Article XXI of the California Constitution. The three sections are: Section 1 of Article XXI Section 2 of Article XXI Section 3 of Article XXI Support Supporters Charles Munger launched the campaign to qualify the Congressional Redistricting Initiative for the 2010 ballot. Munger was also a key supporter of 2008's Proposition 11, having given about $2 million to that effort. The New York Times characterized Proposition 20's supporters as "an unlikely collection of election-reform groups, civil rights nonprofits and former officials from both major parties who say that the current system of redistricting has left politicians unaccountable." Supporters of Proposition 20 included: California Chamber of Commerce California State Conference of the NAACP AARP California Common Cause IndependentVoice.Org Bay Area Council Arnold Schwarzenegger and Gray Davis A full list of the supporters of Proposition 20 is available from the "Yes on Proposition 20" website. Arguments in favor Arguments were submitted to the official California Voter Guide on behalf of a "yes" vote on Proposition 20, as were rebuttals to the arguments provided by Prop 20 opponents. The signers of these arguments were: David Pacheco, the California President of AARP Kathay Feng, the executive director of California Common Cause John Kabateck, the executive director of the California chapter of the National Federal of Independent Business Alice Huffman, President, the California chapter of the NAACP Julian Canete, the executive director of the California Hispanic Chambers of Commerce Richard Rider, chairman of the San Diego Tax Fighters The arguments made on behalf of Proposition 20 focus on