system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: How did America become the global hegemon and why did we come to dominate the world so quickly despite being such a young nation?
gpt
World War II. Every other industrial power in the world got huge amounts of their infrastructure destroyed; apart from an attack on Hawaii and some minor Alaskan islands, the US itself was untouched by the war. The USSR managed to recover fast enough to oppose the US during the Cold War, but that just encouraged the country to spend even more on securing global dominance.