Abstract This article introduces the main themes that animate this special issue: the necessary entanglement of theory and history, the cortical relationship between theory and practice, and the transboundary (i.e., international) relations that help to constitute systems of both thought and practice. We integrate the contributions to the special issue within these overarching themes and identify their main contributions. We make three core arguments: first, all theory is situated knowledge, derived in and through historical context; second, theory-practice is a single field in which theory arises out of and acts upon historical experience; and third, both social and political theory have international origins, arising from transboundary encounters.
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