 Many immigrants were unable to board these voyages due to the Geary Act of 1892 which blocked the reunion of immigrants in America with their families not with them.Many diseases found through these voyages were Hookworm Yersinia pestis which contributed greatly to the Bubonic Plague.“During the Gold Rush era, when Chinese men were a common sight in California, Chinese women were an oddity” and in urban spaces were rarely seen in public.