AmericaGeographyandpopulationCONTENTS1NamesandPosition2GeographicalFeatures3ClimateandWeather4ThePeople1.NamesandPositionNames

Theofficialname:theUnitedStatesofAmerica

Othernames:America,theU.S.,theUSA,theUSPosition

937,1000squarekilometers,theworld’sfourthlargestcountryinsizeLocatedinNorthAmericaBorderedonthewestbythePacificOceanandtotheeastbytheAtlanticOceanAlongthenorthernborderisCanadaandthesouthernborderisMexico.

afederaldistrictand50states請輸入標題●FourRegions請輸入標題●FourRegionsSituatedontheAtlanticcoast,thisregionishometosomeofthelargestcitiesintheUnitedStatessuchasNewYorkCity,Boston,andPhiladelphia.NotonlyistheNortheastRegionthemosteconomicallydevelopedregion,butit’salsothemostdenselypopulatedwiththeleastarea.NewEngland(Division1)containsthestatesofConnecticut,Maine,Massachusetts,NewHampshire,RhodeIsland,andVermont.WhereastheMiddleAtlantic(Division2)hasonly3states,whichincludeNewYork,Pennsylvania,andNewJersey.請輸入標題●FourRegionsTheMidwestRegionishometomanymajorU.S.cities,includingChicago,Detroit,andMinneapolis.Knownforitsvastplains,theMidwestRegionisthemostwidelyspreadoutofalltheregionsandincludes12differentstates.The

EastNorthCentral(Division3)

containsthestatesaroundLakeMichiganincludingIndiana,Illinois,Michigan,Ohio,andWisconsin.Whereasthe

WestNorthCentral(Division4)

consistsofthestatesofIowa,Kansas,Minnesota,Missouri,Nebraska,NorthDakota,andSouthDakota.請輸入標題●FourRegionsLocatedinthesoutheastoftheUnitedStates,theSouthRegionconsistsof17states,whichisthemostofallregions.It’salsotheonlyregionwith3divisions,astheothersonlyhave2.WithmajorcitieslikeDallas,Houston,WashingtonDC,Miami,andAtlanta,theareaisknownforitsdiverseculturesandwarmclimates.TheSouthAtlantic(Division5)containsthestatesofDelaware,theDistrictofColumbia,Florida,Georgia,Maryland,NorthCarolina,SouthCarolina,Virginia,andWestVirginia.Altogether,thisisthehighestnumberofstateswithinadivision.TheEastSouthCentral(Division6)consistsofAlabama,Kentucky,Mississippi,andTennessee.Similarly,theWestSouthCentral(Division7)holds4statesincludingArkansas,Louisiana,Oklahoma,andTexas.請輸入標題●FourRegionsTheWestRegionisthelargestregionthatcoversnearlyhalfofthelandareaintheUnitedStates.ItsweepsabroadareaandincludestheRockyMountains,andthePacificCoasttothewest,aswellasthestatesofAlaskaandHawaii.Mountain(Division8)containstheeightfollowingstatesjusttotheeastofthePacificcoast–Arizona,Colorado,Idaho,NewMexico,Montana,Utah,Nevada,andWyoming.WhereasPacific(Division9)ischaracterizedbythecoastalstatesofAlaska,California,Hawaii,Oregon,andWashington.2.Topography2.Topography●TheAtlanticSeacoastandtheAppalachianMountain(theeasternpart)2.Topography●TheMississippiRiverValley(thecentralpart)2.Topography●TheRockiesWesttothePacificOcean(thewesternpart)

3.Climateandweather

●Temperatecontinentalclimate

3.Climateandweather

●Variedclimate

3.Climateandweather

●Temperaturediffersbetweennorthandsouth

3.Climateandweather

●Precipitationdecreasesfromsoutheasttonorthwest4.AmericanPeople●Theformationofthepeople●Personalitiesofthepeople4.AmericanPeople●Theformationofthepeople,acountryofimmigrants:In2019,

thepopulationoftheUnitedStatesestimatedbytheU.S.

CensusBureauwas

32