Andrew Jackson's invasion of Florida led to permanent acquisition of that territory after
a. President Monroe ordered him to seize all Spanish military posts in the area.
b. the United States declared its rights under the Monroe Doctrine.
c. President Monroe's cabinet endorsed Jackson's action and declared war on Spain.
d. Secretary of State Adams pressured Spain to cede the area to the United States.
e. Spain agreed to trade Florida in exchange for American guarantees of Spanish ownership of California.
Answer: D