The assertion is correct to the best of my knowledge. The emperor ruled with unlimited authority, commanding the army, the church, and the government. The emperor was the absolute ruler of the church and government, as well as the commander-in-chief of the army.
To the best of my knowledge the statement is true. The emperor was an absolute ruler and had power over the army, the church, and the government. Specifically, the emperor was commander-in-chief of the army and was the absolute leader of the church and the government.
The food sources of Native Americans of the North and Northwest differed from that of Natives that lived in the West and Southwest due to the impact of climate which determined the types of food that were available. People in the North and Northwest did not farm. Irrigation allowed the people in the west to farm in dry areas.