Noncommissioned officers faced what types of challenges during the 1970s

The Non-Commissioned Officers faced racial violence and illegal drug use during the 1970’s or by the end of Vietnam War. More than 200 servicemen died because of drug overdoses during the war, 42 soldiers and 15 marines were killed from "fragging" attacks.

Moreover, by 1980’s the problem soldiers and the non-commissioned officers from the Vietnam War are dismissed within its ranks and the army began to impose discipline during the training.

in february 1787, congress decided that a convention should be convened to revise the articles of confederation, the nation’s first constitution. in may, 55 delegates came to philadelphia, and the constitutional convention began. debates erupted over representation in congress, over slavery, and over the new executive branch. the debates continued through four hot and muggy months. but eventually the delegates reached compromises, and on september 17, they produced the u.s. constitution, replacing the articles with the governing document that has functioned effectively for more than 200 years.