The Lower Seaboard Theater of the American Civil War encompassed major military and naval operations that occurred near the coastal areas of the Southeastern United States (in South Carolina, Florida, Alabama, Mississippi, Louisiana, and Texas) as well as southern part of the Mississippi River (Port Hudson and south).

Inland operations are included in the Western Theater or Trans-Mississippi Theater, depending on whether they were east or west of the Mississippi River. Coastal operations in Georgia, as the culmination of Sherman's March to the Sea, are included in the Western Theater.

The campaign classification established by the United States National Park Service^[1], which calls these the Lower Seaboard Theater and Gulf Approach operations, is more fine-grained than the one used in this article. Some minor NPS campaigns have been omitted and some have been combined into larger categories. Only a few of the 31 battles the NPS classifies for this theater are described. The Port Royal Expedition of 1861 has been added, although it has not been classified by the NPS. Boxed text in the right margin show the NPS campaigns associated with each section.

1861 cartoon map of Scott's plan.

Union Naval activities in this theater were dictated by the Anaconda Plan, with its emphasis on strangling the South with an ever tightening blockade and later in execucting attacks on, and the occupation of the port cities of New Orleans, Mobile and Galveston.

The Confederate response was mainly limited to blockade running and reacting defensively to Union invasions of its territory, with mixed success.

[edit] Notes

[edit] External links

• West Point Atlas map of principal Civil War campaigns
• National Park Service Civil War at a Glance
• Battle of Olustee Web site

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