A free, self-paced textbook in 7 chapters. Read a chapter, then drill it with the 100 companion flashcards using spaced repetition.
The story of what would become the United States begins long before European arrival. The first inhabitants, known as Paleo-Indians, migrated from Asia across the Bering Land Bridg...
The cultural and political groundwork for revolution was laid by the Great Awakening of the 1730s and 1740s, a religious revival that emphasized personal faith, challenged establis...
On July 4, 1776, the Second Continental Congress adopted the Declaration of Independence, primarily authored by Thomas Jefferson, proclaiming the colonies' separation from Britain...
The early nineteenth century saw the young republic dramatically expand its territory and wrestle with the consequences of growth. Thomas Jefferson orchestrated the 1803 Louisiana...
The Civil War erupted from deep divisions over slavery, states' rights, economic differences between the industrializing North and the agricultural South, and the election of Abrah...
The post-Civil War decades, known as the Gilded Age, brought rapid economic growth, industrialization, and the rise of powerful figures such as John D. Rockefeller in oil, Andrew C...
The postwar era was defined by the Cold War struggle between the United States and the Soviet Union. The 1947 Truman Doctrine pledged U.S. support for nations threatened by communi...