1963 bus crash in California's Salinas Valley
... that a 1963 bus crash in California's Salinas Valley, which claimed the lives of 32 Mexican farmworkers, highlighted unsafe conditions and helped to spur the end of a 20-year-old guest worker program?
... that a <b id="mwBe4"><a class="mw-redirect" href="./1963_Chualar_bus_crash" id="mwBe8" rel="mw:WikiLink" title="1963 Chualar bus crash">1963 bus crash in California's Salinas Valley</a></b>, which claimed the lives of 32 Mexican farmworkers, highlighted unsafe conditions and helped to spur the end of a 20-year-old <a class="mw-redirect" href="./Bracero_program" id="mwBfA" rel="mw:WikiLink" title="Bracero program">guest worker program</a>?