Why is the Craig Mound so world renowned? A. It is the site of the first human skeleton in Oklahoma.
B. It is a Spiro Mound site that has a large amount of burial art and artifacts.
C. It has burial artifacts that date to earlier than 10,000 BCE.
D. It was the only burial mound created by the Norman mound builders.

a governess was mean to her.

explanation:

option d is correct. corroborated sources of historical evidence   is necessary to validate a claim about an event in history.

historians tend to use written sources, but audio and visual materials as well as artifacts are important objects that supply information to modern historians.

historical sources are usually divided into two categories: primary and secondary sources. depending on the historian's intent, some sources shift their designation. determining what type of sources toimplement, and the level of credibility and reliability of those sources, is a significant step in critical thinking for the historian.

explanation:

i believe your answer is d)