<prompt> Pedzisa mutsara unotevera: Macchiarini akadzokera kuUnited States muna 1928 uye, nekuuya kweGreat Depression yakashanda kubva muna 1929 kusvika muna 1935 semucheki wematombo, nemakambani akati wandei eBay Area; mamwe acho akapihwa mari neFederal Arts Project yeWorks Progress Administration WPA. Paaive achishanda semutemi wematombo, akashanda pazvirongwa muma1930 nevapfuri vakaita saBeniamino Bufano naRalph Stackpole. Kufanana naBufano, Stackpole, uye vamwe vakawanda veBay Area vanyori, Macchiarini akanga achishanda mune zvematongerwe enyika kuruboshwe. Pakuratidzira kwevadzidzi mukati me  <response>: Muna 1934 West Coast waterfront strike, akarohwa zvakaipisisa nemapurisa eSan Francisco. 