Final answer:
The correct answer is option c) Sixth Amendment. The Sixth Amendment guarantees the right to legal representation for those accused of crimes.
Step-by-step explanation:
The correct answer is option c) Sixth Amendment.
The Sixth Amendment guarantees the right to legal representation for those accused of crimes. It ensures fairness in criminal trials by providing the right to a fair and speedy trial by an impartial jury, the right to cross-examine witnesses, and the right to assistance of counsel. If a person is denied an attorney, their rights under the Sixth Amendment have been violated.