Why was the louisiana purchase important for the united states?

Which graph correctly shows the system of equations {y=12x+2y=−12x+6?

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.

What were some of the new consumer appliances that americans could purchase in the 1920s