What was the supreme court concerned about in its ruling in miranda v. arizona (1966)?
preventing elected officials from abusing their power
preventing government intrusions in people's private lives
ensuring speedy compliance with its desegregation rulings
protecting people's right not to testify against themselves unwillingly

The Supreme Court was concerned about protecting people's right not to testify against themselves unwillingly. Option D is correct.

Miranda v. Arizona, 384 U.S. 436 (1966), was a landmark decision of the United States Supreme Court.

This case has a major impact on law enforcement in the United States, by creating the Miranda warning which constitues a part of routine police procedure to ensure that suspects were informed of their rights.