the ocean that forms the western border of the US is the Pacific Ocean
The Atlantic Ocean.
The eastern border of the US was and is the Atlantic Ocean.
The Atlantic Ocean defines the United States' eastern border.
The Atlantic ocean.
artic ocean,pacific ocean,and atlantic ocean.
Antarctic (The three that I know of that the US does border is the Arctic, Pacific, and Atlantic)
ocean's
Nope
Atlantic
Pacific
Yes, Alaska, California, Hawaii, Oregon and Washington border the Pacific Ocean.