The following sentences contain blanks. Use the drop-down menus to complete each blank correctly. In August 2005, Hurricane Katrina struck the Gulf Coast of the United States, causing massive flooding in New Orleans and catastrophic damage along the coastal lands of Louisiana, Mississippi, and Alabama. It displaced more than 1.5 million people. The hurricane’s devastation was a [Dropdown 1] . It led to one of the largest migrations of [Dropdown 2] in US history. Generally, people fled the area because of [Dropdown 3] concerns.