Which statement about the effects of the gold rush are correct? 
 A.The old ruling families of the Californios had a strong say in the constitutional convention of California. 
 B.Californios were able to establish legal ownership of their property in U.S. courts without the original land grant documents. 
 C. Nearly two-thirds of the Native American population of California died during the gold rush. 
 D. Chinese laborers were welcomed and given higher-paying jobs in the mines because of their strong work ethic.