Explain the impact of Upton Sinclair’s “The Jungle” in the United states. Someone pls help me

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.

The map shows information about river valley civilizations. which feature of this map best the reader determine the distance between two places?

Which of these is an edge city? boston, ma chicago, il irvine, ca detroit, mi