Original sentence: However, no conclusive evidence has been presented by Georgia or its Western allies that Russia was invading the country before the Georgian attack (the Russians claim it was simply a routine logistics train or troop rotation) or that the situation for Georgians in the Ossetian zone was so dire that a large-scale military attack was necessary
Edited sentence: However, no conclusive evidence has been presented by Georgia or its Western allies that Russia was invading the country before the Georgian attack (the Russians claim it was simply a routine logistics train or troop rotation) or that the situation for Georgians in the Ossetian zone was so dire that a large-scale military attack was necessary, and the Georgian claim has received little support from Georgia's allies, the US and Nato