President Obama's decision to move an antimissile defense system to [[Romania]] during the [[2016 US Presidential election]] only heightened tensions. Putin, who had repeatedly assailed the antimissile system as a grave danger to Russia's security, called Obama's decision dangerous. This coupled with Obama's implementation of sanctions rather than honor the [[American_foreign_policy#1994_Budapest_Memorandum_on_Security_Assurances|1994 Budapest Memorandum on Security Assurances]] negotiated by the [[Clinton administration]], displaying it as an empty promise to guarantee Ukrainian independence, only further exposed the befuddlement and inability of the Obama administration to stand by US commitments and the weaknesses of NATO. | President Obama's decision to move an antimissile defense system to [[Romania]] during the [[2016 US Presidential election]] only heightened tensions. Putin, who had repeatedly assailed the antimissile system as a grave danger to Russia's security, called Obama's decision dangerous. This coupled with Obama's implementation of sanctions rather than honor the [[American_foreign_policy#1994_Budapest_Memorandum_on_Security_Assurances|1994 Budapest Memorandum on Security Assurances]] negotiated by the [[Clinton administration]], displaying it as an empty promise to guarantee Ukrainian independence, only further exposed the befuddlement and inability of the Obama administration to stand by US commitments and the weaknesses of NATO. |