Purchased the Louisiana Territory from France.
A Philippines because they were controlled by the U.S
The Spanish were looking for gold. This is part of the 3 systems, these were things people came to the new world for. It was GOD GOLD AND GLORY, But the Spanish came for Gold
The cause of the U.S. participation was pirates from the Barbary States seizing American merchant ships and holding the crews for ransom, demanding the U.S. pay tribute to the Barbary rulers. United States President Thomas Jefferson refused to pay this tribute. Sweden had been at war with the Tripolitans since 1800.