Sarudzo dzemuAmerica dzichiri kuverengwa mumiriri weDemocratic Party musarudzo yemutungamiri wenyika iyi, VaJoe Biden, vachiri kutungamira muzvigaro zvavawana zvichienzaniswa nezvigaro zvawanikwa pari zvino nemumiriri weRepublic Party, uye vari mutungamiri weAmerica, VaDonald Trump.