The draft.
All people drafted to fight in the Vietnam War became eligible to vote.
Eugene McCarthy & Robert Kennedy
Norman Thomas (1884-1968) was a minister and an antiwar and civil rights activist. He was the leader of the Socialist Party of America.
Eugene McCarthy, junior senator from Minnesota was the first active anti-war candidate. He was so successful in the early primaries that the incumbent president, Lyndon Johnson, dropped out of the race and Sen. Robert Kennedy from NY became another anti-war candidate, more or less.
he 1968 Democratic National Convention was held in Chicago and Hubert H. Humphrey was selected as the presidential candidate. But the was a great deal of dissension inside the convention over the Vietnam War. There were also bloody antiwar demonstrations on the streets and in the parks of Chicago. (link)
Campus Antiwar Network was created in 2003.
The protestors chanted antiwar phrases outside of the United Nations building.
He appealed to many middle-class voters upset by the civil disobedience associated with the Civil Rights and antiwar demonstrations.
Antiwar
Warmonger