The document discusses how the 20th century, known as the "American Century", shaped the United States into the country it is today. It became a materialistic and consumer-driven society through industrialization and economic growth. Major events like the World Wars, Great Depression, and Civil Rights Movement transformed America. While technology and culture advanced in this century, it was also the deadliest due to wars. The impacts of the 20th century are still seen today as America remains heavily consumer-focused.