America's view in the Vietnam was fear. Fear drove them to participate in the war. Why fear? They were afraid Vietnam would become communist because if they became communist they would support or have the support from the Soviets. If this were to happen Vietnam could've became a missile launching spot for the soviets if America wouldn't have participated.
It's my best explanation from what I remember and from what I think. Hope it's helpful to you.
Answer:
Due the probability of a German counterattack, the Westen Allies engaged into an initial defensive against any likely invasion by creating a system of fortresses on the frontier but also leaving gaps to be able to canalize any German attack; one of those offensives around 1914 in WWI was called <em>"The First Battle of the Marne"</em>, resulted in a victory for the Allies.
B for sure if not that then A
I don't concur with the statement above since individuals needed to rely upon each other for specific things like water system and exchanging. Religions said things should be held together through peace. Rulers accepted to be ethically in charge of their subjects.
