What caused tensions with Spain?

1. Border disputes: The United States and Spain disputed the borders of their respective territories in North America, particularly in Florida and the Louisiana Territory.

2. Trade restrictions: Spain imposed trade restrictions on American ships and merchants, which hindered American commerce and led to economic grievances.

3. American settlers in Spanish territory: American settlers began migrating into Spanish territory, especially in Texas and Florida, leading to conflicts with Spanish authorities.

4. The Embargo Act of 1807: The Embargo Act, passed by the United States in response to British naval blockades, disrupted American trade with Spain and further strained relations.

5. The West Florida Controversy: The United States claimed that the Louisiana Purchase included West Florida, while Spain maintained that it remained under Spanish control. This territorial dispute contributed to tensions.

6. The Burr Conspiracy: In 1806, former Vice President Aaron Burr planned an expedition to conquer Spanish territories in the Southwest. This plot, known as the Burr Conspiracy, was exposed and thwarted by the U.S. government, but it raised concerns about American intentions towards Spanish possessions.

7. The Napoleonic Wars: The Napoleonic Wars, which involved Spain as an ally of France against Britain, created geopolitical complications and diplomatic challenges for the United States.

These factors, among others, led to a period of tension and hostility between the United States and Spain, ultimately culminating in the War of 1812.