The new boundary line set by the Adams-Onis Treaty had the effect of allowing the United States to develop Florida's resources. The treaty, which was signed in 1819 and ratified in 1821, involved Spain ceding Florida to the United States and established a boundary between the U.S. and Spanish territories. This facilitated U.S. expansion and development in the region.
The new boundary line set by the Adams-Onis Treaty had which of these effects?
It created a system of dual governance in Florida.
It represented the completion of Manifest Destiny.
It began the decline of Spain's New World empire.
It allowed the United States to develop Florida's resources.
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