In the speech, Lewis referred to a “great father” and “great chief.” Who was this? Why do you think Lewis used these terms?

The 'great father' is god, and the great chief is the cheif of the tribe. Lewis used this to sound livley and so the natives would have a favourable view of him .

Explanation:

d. the polar jet stream   lies between the polar easterlies and trade winds should be your answer

it depends on which society you are referring to. many civilization performed rituals so the gods would with their growing season but the most well known is that of the aztecs. they would make sacrifices, usually animals, but sometimes humans as well.