Which was a result of the Adams-Onís Treaty? Spain gave up control of California, which quickly joined the Union. The Texas bord
er dispute between the United States and Spain was settled. Great Britain gave up control of California, which quickly joined the Union. The Oregon border dispute between the United States and Britain was settled.
The correct answer is B: The Texas border dispute between the United States and Spain was settled. This treaty, also known as Transcontinental Treaty, was accorded between the US and Spain to set the borders between them. Spain ceded Florida and Oregon Country in exchange for the Spanish dominion over Texas.