Answer:Americans also settled in the Oregon Country, a large territory between California and Alaska claimed by both Britain and the United States. During the mid-1800's, the United States gained control of the Mexican lands and the southern part of the Oregon Country, and the nation extended from coast to coast
The different branches of the government help limit the power of the federal government because there are checks and balances with each branch and if one branch doesn't quite agree with the executive branch then the two other branches can overrule the president's power.
