In a time of war,nuclear weaponry and the development of ICBM technology could overcome the advantages of the heartland complex,which are defensive depth and possession of resources.

• 在战时，核武器以及洲际弹道导弹(ICBM)技术可以克服(原本)内陆地带的地形复杂性(/的特点)具有的优势；即:防御深度和对资源的占有.