What are four main regions of the United states?

States: Connecticut, Maine, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont

Features: Densely populated, major urban centers, historic sites, major economic and cultural centers

2. Midwest (North-Central):

States: Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, South Dakota, Wisconsin

Features: Diverse landscape from farming to forests, Midwestern hospitality, "Rust Belt" decline and manufacturing resurgence.

3. South:

States: Alabama, Arkansas, Delaware, District of Columbia, Florida, Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, Oklahoma, South Carolina, Tennessee, Texas, Virginia, West Virginia

Features: Historical plantations, rich African-American culture and civil rights history, warm climate, diverse economies.

4. West (Pacific States):

States: Alaska, California, Colorado, Hawaii, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington, Wyoming

Features: Spectacular natural wonders like Grand Canyon, Yosemite, Rocky Mountains, diverse landscapes from deserts to mountains to coastal areas, tech industry prominence.