▁large ▁part ▁by ▁the ▁bro ader ▁student ▁activ ism ▁movement ▁protest ing ▁the ▁Vietnam ▁War . ▁It ▁gained ▁strength ▁following ▁the ▁Supreme ▁Court ' s ▁decision ▁in ▁Oregon ▁v . ▁Mitchell . ▁ ▁Government ▁processes ▁and ▁procedures ▁( Am end ments ▁ 1 2 , ▁ 1 7 , ▁ 2 0 , ▁ 2 2 , ▁ 2 5 , ▁and ▁ 2 7 ) ▁ ▁The ▁Tw elf th ▁Am end ment ▁( 1 8 0 4 ) ▁mod ifies ▁the ▁way ▁the ▁Elect oral ▁College ▁cho oses ▁the ▁President ▁and ▁Vice ▁President . ▁It ▁st ip ul ates ▁that ▁each ▁elect or ▁must ▁cast ▁a ▁distinct ▁vote ▁for ▁President ▁and ▁Vice ▁President , ▁instead ▁of ▁two ▁votes ▁for ▁President . ▁It ▁also ▁suggests ▁that ▁the ▁President ▁and ▁Vice ▁President ▁should ▁not ▁be ▁from ▁the ▁same ▁state . ▁Article ▁II , ▁Section ▁ 1 , ▁Cla use ▁ 3 ▁is ▁su pers eded ▁by ▁this ▁am end ment , ▁which ▁also ▁extends ▁the ▁el ig ibility ▁requirements ▁to ▁become ▁President ▁to ▁the ▁Vice ▁President . ▁ ▁The ▁Se vent e enth ▁Am end ment ▁( 1 9 1 3 ) ▁mod ifies ▁the ▁way ▁sen ators ▁are ▁elected . ▁It ▁st ip ul ates ▁that ▁sen ators ▁are ▁to ▁be ▁elected ▁by ▁direct ▁popular ▁vote . ▁The ▁am end ment ▁su pers edes ▁Article ▁ 1 , ▁Section ▁ 2 , ▁Cla uses ▁ 1 ▁and ▁ 2 , ▁under ▁which ▁the ▁two ▁sen ators ▁from ▁each ▁state ▁were ▁elected ▁by