Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2027 exam
Verified for the 2027 exam•Written by the Fiveable Content Team • Last updated August 2025
Definition
Frederick Jackson Turner's 1893 historical interpretation that the existence of a frontier and its settlement shaped American character, democracy, and national identity.
AP course connection
Topic 6.2: 6.2 Westward Expansion: Economic Development