没有一个国家希望敌邦压境。大国列强试图主宰各自的周边地区。认识这一点对于了解世界非常重要。美国在北美洲早已确保了自己的安全。美洲土著人被镇压,强大的对手衰微消失。浩瀚的海洋保护着我们,阻隔了大多数敌人的攻击。我们有幸拥有地缘政治家所谓的战略纵深。几乎没有哪个国家比俄罗斯更深谙战略纵深的价值——和缺乏战略纵深的代价。它有长期与欧洲侵略者——从拿破仑到希特勒——进行较量的经验。防范再遭侵略的愿望致使苏联在第二次世界大战后征服了东欧 No country wants the opponents to step down. The powers of the Great Powers tried to dominate their own surrounding areas. Knowing this is very important for understanding the world. The United States has already ensured its own safety in North America. Native Americans were suppressed and powerful rivals disappeared. The vast ocean protects us, blocking the most enemy attacks. We are fortunate to have the so-called strategic depths of geopolitics. Few countries value the depth of strategy more deeply than Russia - and the lack of a strategic depth. It has had long experience with the European invaders, from Napoleon to Hitler. The desire to prevent further aggression led the Soviet Union to conquer Eastern Europe after the Second World War