Thousands of immigrants and their supporters did not go to work or school in Iowa[64] United for the Dignity and Safety of Immigrants (UDSI) (organizing group estimates)[citation needed] May 2: The Minuteman Project says that 400 new members joined in April in response to the protests.[65] May 3: In response to the pro-immigration reform boycott, the Minutemen started a two-vehicle caravan across the United States which reached Washington, D.C. on May 12.[66] May 25: The United States Senate passes S. 2611 which includes a path to citizenship for up to 8.5 million illegal aliens. The bill eventually failed and was never enacted.[67]