“…Moreover, non-structural sources for change, such as singular events (Brexit and Russia's war in Ukraine) have also been found influential as they impact the domestic decision-making arena (Hermann, 1990;Lee, 2012). On the state level, a number of analyses suggest that domestic factors such as budgetary constraints (Brummer & Oppermann, 2021, p. 322), bureaucratic structures (Allison, 1971;Joly & Richter, 2019), and veto players (Oppermann & Brummer, 2018), for example, within coalitions (Kaarbo, 2017) or legislatures (Böller, 2022), matter for foreign policy decisions. Besides, changing governments , advocacy coalitions (Haar & Pierce, 2021), or ideologies of domestic actors (Merke et al, 2020) may also affect policies.…”