It's D
The United Nations got involved to conduct an investigation into whether neighboring nations were providing assistance to guerilla forces.
B. Harriet will not go to trial but will be sentenced directly by the judge.
Harriet entered a guilty plea, eliminating the need to assess her guilt or innocence through a trial.
According to the 6th Amendment, every citizen has the right to a prompt trial and an unbiased jury. It also assures that the accused is entitled to legal representation. Sentencing should occur rapidly, and if Harriet wishes to have a trial, she would need to alter her plea to "not guilty."