Which president led the united states as it expanded into california, new mexico, arizona, texas, and nevada?
a. james k. polk
b. ronald reagan
c. barack obama
d. richard nixon

The collapse of the roman empire most likely to empower the catholic church because

What is the main inference that can be drawn from adam smith’s book the wealth of nations?

The 20th century was characterized by increasing globalization describe some of globalization major effects then identify whether the effects of globalization were better for developed countries or developing countries