Answer:
They were people who served roles as military leaders in the time of crisis.
C because the famous saying is Manifest destiny is the god given right. Spreading culture is the definition.
The early humans that arrived in the Americas were thought to have eradicated large ice age animals. However, research later revealed that the disappearance of such animals may have been caused by climate change. According to earliest dated artefacts, this may have happened more than 15000 years ago