Doves and hawks
The doves were those who were opposed to the Vietnam war. The prolonged war had caused a lot of protests and opposition from these groups of leaders and their supporters and the families of those soldiers involved in the war.
The hawks on the other side were those who supported the continuation of the war.
This clearly repudiated the Supreme Court’s notorious 1857 Dred Scott decision, in which Chief Justice Roger Taney wrote that a Black man, even if born free, could not claim rights of citizenship under the federal constitution.
The belief that the united states had the right to expand its borders and claim new lands