As the new century began, America began to develop into one of the world's most powerful and influential nations. With these 50 flash cards of figures and features, you can expand your knowledge about that period. Test yourself or challenge a friend with ready-made questions about topics including The Second Industrial Revolution, Franklin D. Roosevelt, World War II, and the dawn of American Movies. Flip the card over to find the answers and more fascinating facts. Then discover historical connections with the bonus Connect a Card question. Every deck in the series is great for learning, review, trivia, and more.