At the beginning of the speech, Lewis says he will explain how he "wound up rich and famous" because he wants his audience "to understand just how mysterious careers can be." What would Lewis consider to be the mysterious aspect of his career? Cite examples from the speech.

What is the main idea of this excerpt? 1.1.3

7. how did the early egyptians use the flooding of the nile river to their advantage? they diverted the water to flood their enemy's lands and destroy their crops. they created an easier way to travel to the mediterranean sea and the indian ocean. they established a new water-based athletic event for the ancient olympics in greece. they devised an innovative irrigation system, which created a surplus of food.

Characteristics of what type of economic system are being described below? 1.economy in which some/all of the basic economic questions answered by central authority 2.trade generally limited to what is produced through the influence of the government a.command economies. b.market economies. c.traditional economies.