This is referring to the first shot fired at the Battle of Lexington and Concord. Although it's unlikely that the very first shot was fired, this even nonetheless began the Revolutionary War.
Less than 2.5 mill I think
The correct answer is Oregon Country.
Manifest Destiny is the idea that America should controll all land from "sea to shining sea." More specifically, Polk and other individuals who believed in Manifest Destiny thought America should control all land between the Atlantic and Pacific Ocean.
In order to do this, America would have to gain land from other countries. One of these countries was Great Britian. Great Britain still had influence in North America, as they controlled part of the modern day Northwest (bordering the United States and Canada). Polk, who had an expanionist mindset, was focused on annexing this territory from the British and use the phrase "54'40 or fight!" to show that he would be willing to go to war with Britian for Oregon territory. Ultimately, war is avoided and the US gains up to the 49th parallel.
I'd be glad to, if I know the answers. What are the questions?
It kept the church from gaining to much power and the govt from gaining too much power it went both ways to cause neutral power between the two.