Which of the Following Describes the Controversy Over the Discovery

Which of the following describes the controversy over the discovery of Kennewick Man?

A) Kennewick Man challenged the conventionally held belief that humans entered the Americas during a single migration from Siberia to Alaska.
B) Tribal populations wished to ritually bury the remains as a potential ancestor.
C) A federal court ruled in favor of scientists who wanted to study the skeletal remains.
D) All these answers are correct.