did the Mexican War of 1846 take place? Was the war necessary? Was it a good thing? What does this war tell us about this period of American history?...

1)Why did the Mexican War of 1846 take place? Was the war necessary? Was it a good thing? What does this war tell us about this period of American history? Was it God's plan that the U.S. extend from the Atlantic to the Pacific, or were imperialists looking for a way to defend what they planned to do ? Elaborate.

2)Discuss America's transportation revolution that took place during the first half of the 1800s, including the development of roads, canals, railroads, and steamboats. How did they contribute to the "market revolution?" Elaborate.

3)Explain how industrialization changed America's urban areas during the early 1800s. Were these changes positive or negative?

4)How and when did Texas gain its independence, and how and when did it enter the Union?