4-Describe the impact of the Adams-Onis Treaty of 1819 on U.S. territorial expansion. It resulted in the U.S. acquiring Florida from Spain. It gave the U.S control over Canada. It ceded Texas to Mexico.

The correct answer is: **It resulted in the U.S. acquiring Florida from Spain.**<br /><br />The Adams-Onís Treaty, also known as the Transcontinental Treaty, primarily dealt with the boundaries between the United States and Spanish territories. Spain ceded Florida to the United States, settling border disputes and solidifying U.S. control over the southeastern portion of North America. The treaty did *not* give the U.S. control over Canada (which remained under British control) or cede Texas to Mexico (Texas was still part of Spanish Mexico at this time).<br />