LONDON (CBS SPORTS) – When the moment arrived, the Americans responded.

They’re still unbeaten, but no longer untested.

Pushed to the max by a fearless Lithuanian team smelling a world-shaking Olympic upset, the U.S. collection of basketball superstars united as one.

And LeBron James led the way.

Two days after running and gunning to a record-shattering 83-point win, the U.S. was forced to play a possession-for-possession game in the fourth quarter in a 99-94 win over Lithuania.

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