Complex sentence: Because of its strategic location, Georgia is in both the Russian and American spheres of influence, however Georgia's relationship with Russia is at its lowest point since 1921 due to controversies regarding espionage and the 2008 South Ossetia war.
Split into simpler sentences: Because of its strategic location it is in both the Russian and American spheres of influence. Georgia relationships with Russia are at it lowest point since 1921 due to controversies regarding espionage and the 2008 South Ossetia war.