The market revolution. Manifest Destiny. United States history homework help

Please answer the following discussion questions with minimum 3 paragraphs using in text citations and references.1- 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.

2- 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 anyway? Elaborate.