Which country won the 2013 World Baseball Classic, going undefeated?

Which Yankees outfield fans are known for their first-inning "roll call"? Which Cardinals mascot is a red bird? Which country won the first World Baseball Classic in 2006? Which country won the 2017 World Baseball Classic? Which country won the 2023 World Baseball Classic? Which player struck out Mike Trout to end the 2023 World Baseball Classic final? Which two teams played the first MLB games in London in 2019? Which two teams opened the 2025 MLB season with games in Tokyo?