Those young demonstrators had come of age seeing continual — and effective — protests during the civil rights movement and national mourning after the assassinations of President John F. Kennedy, Senator Robert F. Kennedy and the Rev. Dr. Martin Luther King Jr. A year earlier King staked out his opposition to the war, saying that while he wasn’t attempting “to make North Vietnam or the National Liberation Front paragons of virtue,” he wanted to underscore his belief “that America would never invest the necessary funds or energies in rehabilitation of its poor so long as adventures like Vietnam continued to draw men and skills and money, like some demonic, destructive suction tube.” He said he was “compelled to see the war as an enemy of the poor and attack it as such.”