https://ecfr.eu/wp-content/uploads/Ambiguous-alliance-Neutrality-opt-outs-and-European-defence.pdf
https://www.mfa.gov.cn/eng/zxxx_662805/202305/t20230519_11080116.html?utm_source=POLITICO.EU&utm_campaign=a22b4c2a1c-EMAIL_CAMPAIGN_2023_05_23_09_00&utm_medium=email&utm_term=0_10959edeb5-a22b4c2a1c-%5BLIST_EMAIL_ID%5D
https://www.brookings.edu/wp-content/uploads/2020/11/Future-U.S.-policy-toward-China-v8.pdf
https://www.chathamhouse.org/sites/default/files/2023-04/2023-04-04-western-policy-belarus-astapenia.pdf