Military Strategy Military Alliances International Support International Response US Involvement Lithuania's Role Territorial Control Territorial Integrity Military Incursions Military Escalation Poland-Russia Relations Poland's Historical Context Military Posturing Political Landscape NATO Involvement NATO's Eastern Flank Western Support NATO Expansion International Aid NATO Relations Global Alliances Military Engagement Military Presence European Security Foreign Military Involvement Impact on Europe International Sanctions Energy Security Military Transfers Foreign Troops Involvement Border Regions Foreign Troops Resource Control U.S. Involvement Military Dynamics US-Russia Relations Western Involvement in Ukraine Territorial Disputes Economic Sanctions International Cooperation Border Security Defense Strategies Military Enhancements