Ukraine said Tuesday that will avoid a Kremlin cutoff in gas supplies. European gas customers breathed sighs of relief.
The Bush administration announces $1 billion in aid but no military assistance.
It gingerly considers how to set consequences for Russia and maintain cooperation.
Moscow has gained leverage, threatened Georgia's pro-West leader, and bolstered national pride.
Tensions are growing as NATO and a resurgent Russia divide over future of breakaway statelets.
The investment push, fueled by a new sovereign wealth fund and eager Russian businessmen, has raised concerns of Moscow meddling abroad.