A territory of the western United States extending from the Mississippi River to the Rocky Mountains between the Gulf of Mexico and the Canadian border.
The only states that border Florida are Georgia and Alabama. No states west of the Mississippi river border Florida.
Springfield, Illinois and Frankford, Kentucky are the capitals of two states that border the Mississippi River.
Part of the the Mexico-United States border is Demarked ( or demarcated) by the course of the Rio Grande river.
Is the Delaware river the western border of the state.
The Columbia River is the border for most of Oregon/Washington states.
No US States, however two Canadian Provinces share border and there is a maritime border with Russia.
Canada or Mexico
The United States and Canadian border is a peaceful border that for many years was not guarded. However 9/11 changed that. Now it is required for all people crossing the border to have passports and identification papers.
The long river that is the border between the east and West United States is the Mississippi River. The Mississippi is the longest river in the United States.
I think it is canda
Windsor, Ontario is the Canadian city closest to the American border, with Detroit, Michigan lying just across the Detroit River.