Why was it difficult to determine who should have the Kennewick Man?

* 1 point

It was unclear until recent genetic testing whether the Kennewick Man was of Native ancestory

It was unclear until a recent Supreme Court ruling whether the Army Corp of Engineers should have the bones

It was unclear until recent soil samples were taken whether the Kennewick Man was killed where the body was discovered

It was unclear until recent genetic testing whether the Kennewick Man was of Native ancestry.