"The president was given the power to do whatever he needed to do to repel North Vietnamese aggression against American troops," Professor Kazin said.
Meanwhile, Turkey's Parliament voted on a war-powers act and, with an overwhelming majority, approved a bill that would effectively allow its Army to respond militarily to acts of aggression by sending troops into Syrian territory rather than just, as this time, a retaliatory artillery barrage.
In relations with others, to save people from fighting they taught that "to be insulted is no disgrace," and to save the world from war, they taught "forbid aggression and put troops to rest".
Speaking during his visit, he said the ceasefire "doesn't mean we won't fight back against any aggression towards our troops" but that it was intended to give rebels time to disarm.
In other G8 news, US Secretary of State John Kerry warned that Russia could be expelled from the forum unless Vladimir Putin stops his "incredible act of aggression" and removes troops from Ukraine. .
As long as we say, 'yes, this is still our war', the best option is for the U.S. to maintain a disciplined military and to watch for trouble signs such as: insensitivity towards the Muslim cultural, TBI, PTSD, and troop aggression towards the indigenous population.
Ukraine's acting president, Oleksandr Turchynov, said he had put the armed forces on full readiness because of the threat of "potential aggression" as 15,000 Russian troops were said to have joined those who have effectively seized Crimea.
Agonistic encounters include staring, lunging approaches and occasional physical aggression, and conclude with troop members retreating toward the center of the home range.
"What we are seeing is Russian-backed aggression, often these are Russian troops, they are Russian tanks, they are Russian Grad missiles.
"Until such aggression and arrogance by foreign troops on our people continues, the security agreement with the United States of America will not be signed," he said.
