> The memorandum was originally signed by three nuclear powers: the Russian Federation, the United Kingdom, and the United States.... included security assuranc

> The memorandum was originally signed by three nuclear powers: the Russian Federation, the United Kingdom, and the United States.... included security assurances against threats or use of force against the territorial integrity or political independence of Ukraine, Belarus and Kazakhstan. https://en.wikipedia.org/wiki/Budapest_Memorandum_on_Security_Assurances https://en.wikipedia.org/wiki/Budapest_Memorandum_on_Securit...