What controversies arose regarding Jefferson and purchase of the Louisiana Territory?

The purchase of the Louisiana Territory in 1803 sparked controversy primarily due to Thomas Jefferson's strict interpretation of the Constitution; critics argued that he overstepped his presidential authority since the Constitution did not explicitly grant the power to acquire new land. Additionally, some Federalists opposed the purchase, fearing it would expand the influence of agrarian interests and weaken their party's power. Jefferson's decision to proceed with the purchase, despite these concerns, highlighted the tension between constitutional interpretation and the need for national expansion.