As the Vietnam War raged & men were drafted who couldn't vote, the 26th amendment made the voting age this
[DOC] [TLE] The 26th Amendment - Facts & Summary - HISTORY.com [PAR] Find out more about the history of The 26th Amendment, including videos, ... 
during the Vietnam War, when young men denied the right to vote were ... age for 
the military draft age to 18, at a time when the minimum voting age ... On March 
10, 1971, the U.S. Senate voted unanimously in favor of the proposed 
amendment.