The document discusses the causes of Andrew Jackson's War. It explains that in 1814, Major General Andrew Jackson was sent to New Orleans to stop a planned British attack. He had previously achieved a successful victory against British Indian allies. Upon arriving in Mobile, Alabama in September 1814, Jackson began building his forces while monitoring the British to prepare for their expected attack. The document provides background on why Jackson was chosen to lead the defense of New Orleans and his initial actions upon arriving in the region.