There are five key ingredients in building a continental empire. A strong continental empire must be able to up-hold these five key things to survive. These five all important things are a strong central government; foreign policy, to deal with other countries; manifest destiny, to deal with matters of land; infrastructure, which deals with state business, transportation, and financial matters; and the ability to solve internal problems such as social, economic, and political problems. America is a continental empire and runs itself using t ....