<prompt> Qedela umusho olandelayo: Ngo-1979, uBlumbergSeibert banikezwa indondo yethusi emqhudelwaneni wabo wokuqala wase-U.S. Championships, beqede endaweni yesithathu ngemuva kukaStacey SmithJohn Summers noCarol FoxRichard Dalley. Ngonyaka olandelayo, badlula uFox Dalley ukuze bathathe indondo yesiliva ngemuva kukaSmith Summers ku-1980 U.S. Championships e-Atlanta. Bahlanganiswa eqenjini lase-United States elaya emidlalweni yama-Olympic yasebusika yango-1980 eLake Placid, eNew York. Ngemuva kokubekwa endaweni yesikhombisa kuma-Olympics, laba bobabili baphetha isizini yabo ngomphumela wendawo yesithupha kuma-  <response>: Umqhudelwano Wamazwe Omhlaba ka-1980 eDortmund, eNtshonalanga Jalimane. 