USA - States - Alphabetical Order

Alabama
Alaska
Arizona
Arkansas

California
Colorado
Connecticut

Delaware
Florida
Georgia
Hawaii

Idaho
Illinois
Indiana
Iowa

Kansas
Kentucky

Louisiana

Maine
Maryland
Massachusetts
Michigan
Minnesota
Mississippi
Missouri
Montana

Nebraska
Nevada
New Hampshire
New Jersey
New Mexico
New York
North Carolina
North Dakota

Ohio
Oklahoma
Oregon

Pennsylvania
Rhode Island

South Carolina
South Dakota

Tennessee
Texas

Utah

Vermont
Virginia

Washington
West Virginia
Wisconsin
Wyoming

Source: https://commons.wikimedia.org/wiki/File:Map_of_USA_with_state_names.svg
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East

Maine
New Hampshire
Vermont
Massachusetts
Rhode Island
Connecticut
New York
New Jersey
pennsylvania
West Virginia
Virginia
Ohio
North Carolina
Georgia
Florida

15 states
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Middle

North Dakota -   Minnesota - Wisconsin - Michigan

South Dakota - Iowa - Illionois - Indiana

Nebraska - Missori - Kentucky

Kansas - Arkansas - Tennesse

Oklahoma - Lousiana - Missisipi - Alabama

Texas - (Lousiana - Missisipi) - Florida