Who owned the land that is now Florida before it became part of the United States?

Juan Ponce de León

Explanation:

Juan Ponce de León claimed the Florida peninsula for Spain during the first official European expedition to North America. It lasted until 1821, when Spain ceded the territory to the United States

in mcculloch v. maryland (1819) the supreme court ruled that congress had implied powers under the necessary and proper clause of article i, section 8 of the constitution to create the second bank of the united states and that the state of maryland lacked the power to tax the bank.

gibbons v. ogden, (1824), was a landmark decision in which the supreme court of the united states held that the power to regulate interstate commerce, granted to congress by the commerce clause of the united states constitution, encompassed the power to regulate navigation.

the viking voyages took place during the middle ages, which was about this time. 500 to 1350. the viking voyages took place during the middle ages, which was about this time.