Pedzisa mutsara unotevera: Kubvira muma1930, rutivi runokosha rwesangano reDemocratic Party rwave rwuri vashandi vakarongeka. Masangano evashandi anogovera mari yakawanda, sangano rezvematongerwe enyika romunharaunda, uye hwaro hwokuvhota rutsigiro rwebato racho. Nhengo dzesangano muUnited States dzakaderera kubva pakakwirira kare muna 1954 ye35% kusvika pakaderera ye11% muna 2015. Mushure mokunge
1968 Democratic National Convention, McGovern-Fraser Commission yakagadza gadziriro yazvino uno yemasarudzo okutanga. Kwakabvisawo vashandi vakarongeka munzvimbo yavo yesimba muDemocratic Party ndokuvazarurira nenzira yezvematongerwe enyika kuvhoti.