Which amendment protects individuals from being compelled to testify against themselves?

The 5th amendment is significant for protecting individuals from being compelled to testify against themselves as part of the right against self-incrimination. This amendment ensures that individuals have the right to remain silent and do not have to provide testimony that could potentially incriminate them in criminal proceedings. This protection is fundamental to the concept of fair trial and justice, as it prevents the government from forcing individuals to provide evidence that could be used against them.

The other amendments mentioned do not specifically address self-incrimination. The 6th amendment focuses on the rights of defendants in criminal prosecutions, including the right to a speedy trial and legal counsel, while the 9th amendment acknowledges that there are rights not specifically enumerated in the Constitution, and the 8th amendment deals with the prohibition of cruel and unusual punishment. Thus, the 5th amendment uniquely provides the safeguard against self-incrimination, making it the correct choice in this context.