is it Nevada
is it nevada
The Persian Gulf has no "south eastern border" -the south western border is Saudi Arabia and the Gulf states and Iran is the north eastern border.
The Mississippi River forms the Western border of the States of Illinois, Tennessee, and Mississippi. The Mississippi River forms the Eastern border of the States of Iowa, Missouri, Arkansas, and Louisiana.
The eastern border of the United States was still the Atlantic Ocean, but after the Louisiana Purchase in 1803, the western border wasn't well defined. We bought the place from France, and even the French weren't entirely sure what they were selling, or what we were buying. Nominally, the Louisiana Purchase included all of the land drained by the Mississippi River, so the western border should have been the Rocky Mountains and the Continental Divide.
The Black Hills are located primarily in western South Dakota and extend into eastern Wyoming. The states that border the Black Hills are South Dakota and Wyoming.
western
In general, states in the western part of the United States are larger than states in the eastern part.
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The Atlantic Ocean defines the United States' eastern border.
Minnesota and Iowa
The states of South Dakota and Nebraska both border Iowa. The eastern border of South Dalota is with Minnesota and Iowa. The eastern border of Nebraska is with Iowa and Missouri.