War and power -- The Great Depression -- Another World War -- Fighting superpowers -- Last superpower standing.
Summary:
The 20th century played a key role in shaping the United States of today. During these years, the country experienced wars on the international stage, economic hardship, and the joy of sending the first people to the Moon. These events contributed to the country's evolution into a world power.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.