ID: Adams-Onis Treaty
When: February 22, 1819
Who:
- John Quincy Adams: United States Secretary of State
- Luis de Onís: Spanish Foreign Minister
What:
Treaty between the United States and Spain that settled a border dispute in North America. Under the treaty:
- Spain ceded Florida to the United States.
- The U.S. and Spain defined the western boundary of the Louisiana Purchase.
- The U.S. assumed $ 5 million in debts owed by the Spanish to American citizens.
Impact? Why Significant?:
- Expansion of U.S. Territory: The acquisition of Florida solidified U.S. control over the southeastern region and provided access to important ports on the Gulf of Mexico.
- Resolved a Longstanding Dispute: The treaty ended years of tension and conflict between the U.S. and Spain over Florida, which had become a haven for escaped slaves and Native American raids.
- Set the Stage for Further Western Expansion: By defining the western boundary of the Louisiana Purchase, the treaty helped pave the way for future U.S. expansion westward.
- Enhanced John Quincy Adams’ Reputation: The successful negotiation of the treaty bolstered Adams’ diplomatic credentials, contributing to his later presidency.