Which of the following was a difficult faced by the american military in the vietnam war?

Guerilla fighting since they were not used to that tactic and a lot of soldiers died, also the tet offensive during a holiday "truce".

I do believe it is the lack of military training.

ba geologist finds four sedimentary rock she determines that no geologic events have shifted the layers she labeles them a,b,c,dbfrom top to bottom

a they donate money to humanitarian causes

c   they volunteer to alleviate suffering

d   they blame all muslims for not being able to keep their fellow muslims in line.