title: Buffer zones and international rivalry: internal and external geographic separation mechanisms
abstract: Abstract The recent Russian invasion of Ukraine has led many commentators to remark that ‘geopolitics is back’. And with geopolitics, the interest in buffer zones is back as well. Yet, International Relations scholarship on buffer zones is confusing and outdated. Scholars disagree on the definition of buffer zones and whether such zones are a vestige of the great power politics of the past or a continuous phenomenon. In this article, we take three steps to reconceptualize buffer zones and their 
journal: International Affairs