Name the state that is located entirely between 40-45 degrees n latitude and between 90-100 degrees w longitude

Iowa located at 40°22′N to 43°30′N latitude and 90°7′W to 96°37′W longitude.

Explanation:

Iowa is a state of the midwest state at the border of the Mississippi river system and is bordered by the six states of the Wisconsin on the northeast and Illinois in the east and the  Missouri in the south and the Nebraska in the west and Minnesota in the north. Iowa has a french and Spanish colonies and is an agricultural rich state.

Is there a picture of the diagram?

It is the doctrine that the us had the right and duty to expand throughout north america. it just means they believed they had the right to expand westward and they did! they stated with the 13 colonies and then they kept moving gaining different territories throughout the years