What is the purpose of federalism?

How many citizens of mexico does it take to equal the ecological footprint of the average citizen of the united states? it takes nearly three mexican citizens to equal the ecological footprint of the average u.s. citizen. it takes about 12 mexican citizens to equal the ecological footprint of the average u.s. citizen. it takes just over eight mexican citizens to equal the ecological footprint of the average u.s. citizen. two citizens of mexico equal the ecological footprint of one average citizen of the united states. they are essentially equal?

Profits are maximized when marginal revenue and marginal costs are a. set c. equal b. less than market price d. greater than market price

Explain the reasons for u.s. neutrality during the 1920s and 1930s. how did ideas about neutrality change during the period from the end of world war i to the passage of the lend-lease act? be sure to include any events, terms, or people that may support your response.