The American Revolution change American society socially. The Revolution also unleashed powerful political, social, and economic forces that would transform the post-Revolution politics and society
Its was in the iberian peninsula
A Plateau is smaller than a Savanna. A Savanna has more flat land than a Plateau. They both are flat tho.. I think. I might be wrong.
In general, this is true. The main motives for the US going into both these wars was born from "Manifest Destiny" which dictated that the US was destined to reach from coast to coast. This left very little chance of the opposition winning with a logical argument against invasion. It was a mission of conquest, not defense.