Select the correct answer. Which statement best shows the impact of rodeos on Oklahoma?

A.
Rodeos have increased employment in the state by creating jobs for Spanish cattlemen.
B.
Rodeos have spread Native American traditions all over the state through cowboy competitions.
C.
Rodeos have increased the popularity of Oklahoma because it’s the only state in the nation with cowboys.
D.
Rodeos have helped the state economically because their popularity attracts many tourists.

The answer is D

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:

the term is einsatzgruppen