Modern international conflicts increasingly run below classical escalation thresholds and combine diplomatic, economic, technological, and digital means into hybrid influence strategies. International law faces structural challenges — core norms such as the prohibition of force, the duty of non-intervention, and the rules of state attribution are designed for a binary understanding of war and peace. This article examines the legal reach and limits of state diplomacy in an environment in which states deliberately operate with strategic ambiguity and use operational intermediate layers of private and semi-state actors to avoid immediate accountability. International law supplies essential normative guard rails — they are increasingly circumvented or hollowed out by hybrid means of influence. Digital and economic interventions produce politically highly relevant effects that resist legal classification. Further development of international law is required — one that captures cumulative effects of sub-threshold measures, adjusts attribution rules to complex actor constellations, and recalibrates the protected sphere of political autonomy.
Björn Paulini (Thu,) studied this question.
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