The two options that best identify central ideas in this article are:
Even though the U.S. government felt it was doing the right thing by sending soldiers to Vietnam to prevent Communism, most Americans were against the war.
These people who disapproved of the war had their reasons which sometimes varied. For instance some were against the use of napalm bombs while others were against being drafted.
In conclusion, options B and D are correct.
Find out more on the Vietnam war at https://brainly.com/question/12918391.