Louisiana without thoroughly accounting for the influence of the petroleum and gas industries. Since the 1980s, these industries' headquarters have consolidated in Houston, but many of the jobs that operate or provide logistical support to the U.S. Gulf of Mexico crude-oil-and-gas industry remained in Louisiana . In 1849, the state moved the capital from New Orleans to Baton Rouge. Donaldsonville, Opelousas, and Shreveport have briefly served as the seat of Louisiana state government. The Louisiana State Capitol and the Louisiana Governor's Mansion are both located in Baton Rouge. The Louisiana Supreme Court, however, did not move to Baton Rouge but remains
Louisiana State Guard to provide a military response to man-made or natural disasters, insurrections, or military invasions while the National Guard was federalized had to raise their own state defense forces to replace these National Guard units. The Louisiana State Guard was authorized by the Louisiana State Legislature in 1942 by a vote of 85-5 in favor of creating the state militia. Unlike other state guards, who were organized and trained around the possibility of repelling an invasion, the Louisiana State Guard was created with the intent to primarily take over civil defense responsibilities such as evacuating civilians during an attack or arresting